Technology

A Sobering Look at Fake Online Reviews

Krebs on Security - Wed, 04/18/2018 - 10:08

In 2016, KrebsOnSecurity exposed a network of phony Web sites and fake online reviews that funneled those seeking help for drug and alcohol addiction toward rehab centers that were secretly affiliated with the Church of Scientology. Not long after the story ran, that network of bogus reviews disappeared from the Web. Over the past few months, however, the same prolific purveyor of these phantom sites and reviews appears to be back at it again, enlisting the help of Internet users and paying people $25-$35 for each fake listing.

Sometime in March 2018, ads began appearing on Craigslist promoting part-time “social media assistant” jobs, in which interested applicants are directed to sign up for positions at seorehabs[dot]com. This site promotes itself as “leaders in addiction recovery consulting,” explaining that assistants can earn a minimum of $25 just for creating individual Google for Business listings tied to a few dozen generic-sounding addiction recovery center names, such as “Integra Addiction Center,” and “First Exit Recovery.”

The listing on Craigslist.com advertising jobs for creating fake online businesses tied to addiction rehabilitation centers.

Applicants who sign up are given detailed instructions on how to step through Google’s anti-abuse process for creating listings, which include receiving a postcard via snail mail from Google that contains a PIN which needs to be entered at Google’s site before a listing can be created.

Assistants are cautioned not to create more than two listings per street address, but otherwise to use any U.S.-based street address and to leave blank the phone number and Web site for the new business listing.

A screen shot from Seorehabs’ instructions for those hired to create rehab center listings.

In my story Scientology Seeks Captive Converts Via Google Maps, Drug Rehab Centers, I showed how a labyrinthine network of fake online reviews that steered Internet searches toward rehab centers funded by Scientology adherents was set up by TopSeek Inc., which bills itself as a collection of “local marketing experts.” According to LinkedIn, TopSeek is owned by John Harvey, an individual (or alias) who lists his address variously as Sacramento, Calif. and Hawaii.

Although the current Web site registration records from registrar giant Godaddy obscure the information for the current owner of seorehabs[dot]com, a historic WHOIS search via Domaintools shows the site was also registered by John Harvey and TopSeek in 2015. Mr. Harvey did not respond to requests for comment. [Full disclosure: Domaintools previously was an advertiser on KrebsOnSecurity].

TopSeek’s Web site says it works with several clients, but most especially Narconon International — an organization that promotes the rather unorthodox theories of Scientology founder L. Ron Hubbard regarding substance abuse treatment and addiction.

As described in Narconon’s Wikipedia entry, Narconon facilities are known not only for attempting to win over new converts to Scientology, but also for treating all substance abuse addictions with a rather bizarre cocktail consisting mainly of vitamins and long hours in extremely hot saunas. Their Wiki entry documents multiple cases of accidental deaths at Narconon facilities, where some addicts reportedly died from overdoses of vitamins or neglect.

A LUCRATIVE RACKET

Bryan Seely, a security expert who has written extensively about the use of fake search listings to conduct online bait-and-switch scams, said the purpose of sites like those that Seorehabs pays people to create is to funnel calls to a handful of switchboards that then sell the leads to rehab centers that have agreed to pay for them. Many rehab facilities will pay hundreds of dollars for leads that may ultimately lead to a new patient. After all, Seely said, some facilities can then turn around and bill insurance providers for thousands of dollars per patient.

Perhaps best known for a stunt in which he used fake Google Maps listings to intercept calls destined for the FBI and U.S. Secret Service, Seely has learned a thing or two about this industry: Until 2011, he worked for an SEO firm that helped to develop and spread some of the same fake online reviews that he is now helping to clean up.

“Mr. Harvey and TopSeek are crowdsourcing the data input for these fake rehab centers,” Seely said. “The phone numbers all go to just a few dedicated call centers, and it’s not hard to see why. The money is good in this game. He sells a call for $50-$100 at a minimum, and the call center then tries to sell that lead to a treatment facility that has agreed to buy leads. Each lead can be worth $5,000 to $10,000 for a patient who has good health insurance and signs up.”

This graph illustrates what happens when someone calls one of these Seorehabs listings. Source: Bryan Seely.

Many of the listings created by Seorehab assistants are tied to fake Google Maps entries that include phony reviews for bogus treatment centers. In the event those listings get suspended by Google, Seorehab offers detailed instructions on how assistants can delete and re-submit listings.

Assistants also can earn extra money writing fake, glowing reviews of the treatment centers:

Below are some of the plainly bogus reviews and listings created in the last month that pimp the various treatment center names and Web sites provided by Seorehabs. It is not difficult to find dozens of other examples of people who claim to have been at multiple Seorehab-promoted centers scattered across the country. For example, “Gloria Gonzalez” supposedly has been treated at no fewer than seven Seorehab-marketed detox locations in five states, penning each review just in the last month:

A reviewer using the name “Tedi Spicer” also promoted at least seven separate rehab centers across the United States in the past month. Getting treated at so many far-flung facilities in just the few months that the domains for these supposed rehab centers have been online would be an impressive feat:

Bring up any of the Web sites for these supposed rehab listings and you’ll notice they all include the same boilerplate text and graphic design. Aside from combing listings created by the reviewers paid to promote the sites, we can find other Seorehab listings just by searching the Web for chunks of text on the sites. Doing so reveals a long list (this is likely far from comprehensive) of domain names registered in the past few months that were all created with hidden registration details and registered via Godaddy.

Seely said he spent a few hours this week calling dozens of phone numbers tied to these rehab centers promoted by TopSeek, and created a spreadsheet documenting his work and results here (Google Sheets).

Seely said while he would never advocate such activity, TopSeek’s fake listings could end up costing Mr. Harvey plenty of money if someone figured out a way to either mass-report the listings as fraudulent or automate calls to the handful of hotlines tied to the listings.

“It would kill his business until he changes all the phone numbers tied to these fake listings, but if he had to do that he’d have to pay people to rebuild all the directories that link to these sites,” he said.

WHAT YOU CAN DO ABOUT FAKE ONLINE REVIEWS

Before doing business with a company you found online, don’t just pick the company that comes up at the top of search results on Google or any other search engine. Unfortunately, that generally guarantees little more than the company is good at marketing.

Take the time to research the companies you wish to hire before booking them for jobs or services — especially when it comes to big, expensive, and potentially risky services like drug rehab or moving companies. By the way, if you’re looking for a legitimate rehab facility, you could do worse than to start at rehabs.com, a legitimate rehab search engine.

It’s a good idea to get in the habit of verifying that the organization’s physical address, phone number and Web address shown in the search result match that of the landing page. If the phone numbers are different, use the contact number listed on the linked site.

Take the time to learn about the organization’s reputation online and in social media; if it has none (other than a Google Maps listing with all glowing, 5-star reviews), it’s probably fake. Search the Web for any public records tied to the business’ listed physical address, including articles of incorporation from the local secretary of state office online.

A search of the company’s domain name registration records can give you an idea of how long its Web site has been in business, as well as additional details about the the organization (although the ability to do this may soon be a thing of the past).

Seely said one surefire way to avoid these marketing shell games is to ask a simple question of the person who answers the phone in the online listing.

“Ask anyone on the phone what company they’re with,” Seely said. “Have them tell you, take their information and then call them back. If they aren’t forthcoming about who they are, they’re most likely a scam.”

In 2016, Seely published a book on Amazon about the thriving and insanely lucrative underground business of fake online reviews. He’s agreed to let KrebsOnSecurity republish the entire e-book, which is available for free at this link (PDF).

“This is literally the worst book ever written about Google Maps fraud,” Seely said. “It’s also the best. Is it still a niche if I’m the only one here? The more people who read it, the better.”

Categories: Technology, Virus Info

SN 659: Never a Dull Moment

Security Now - Tue, 04/17/2018 - 19:56

This week we discuss AMD's release of their long-awaited Spectre variant 2 microcode patches, the end of Telegram messenger in Russia, the on-time arrival of Drupalgeddon2, Firefox and TLS v1.3, the new and widespread UPnProxy attacks, Microsoft's reversal on no longer providing Windows security updates without A/V installed, Google Chrome's decision to prematurely remove HTTP cookies, the Android "patch gap", renewed worries over old and insecure Bitcoin crypto, new attacks on old IIS, a WhatsApp photo used for police forensics, and an IoT vulnerability from our "you can't make this stuff up" department.

We invite you to read our show notes.

Hosts: Steve Gibson and Leo Laporte

Download or subscribe to this show at https://twit.tv/shows/security-now.

You can submit a question to Security Now! at the GRC Feedback Page.

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Categories: Podcasts, Technology

Deleted Facebook Cybercrime Groups Had 300,000 Members

Krebs on Security - Mon, 04/16/2018 - 16:38

Hours after being alerted by KrebsOnSecurity, Facebook last week deleted almost 120 private discussion groups totaling more than 300,000 members who flagrantly promoted a host of illicit activities on the social media network’s platform. The scam groups facilitated a broad spectrum of shady activities, including spamming, wire fraud, account takeovers, phony tax refunds, 419 scams, denial-of-service attack-for-hire services and botnet creation tools. The average age of these groups on Facebook’s platform was two years.

On Thursday, April 12, KrebsOnSecurity spent roughly two hours combing Facebook for groups whose sole purpose appeared to be flouting the company’s terms of service agreement about what types of content it will or will not tolerate on its platform.

One of nearly 120 different closed cybercrime groups operating on Facebook that were deleted late last week. In total, there were more than 300,000 members of these groups. The average age of these groups was two years, but some had existed for up to nine years on Facebook

My research centered on groups whose singular focus was promoting all manner of cyber fraud, but most especially those engaged in identity theft, spamming, account takeovers and credit card fraud. Virtually all of these groups advertised their intent by stating well-know terms of fraud in their group names, such as “botnet helpdesk,” “spamming,” “carding” (referring to credit card fraud), “DDoS” (distributed denial-of-service attacks), “tax refund fraud,” and account takeovers.

Each of these closed groups solicited new members to engage in a variety of shady activities. Some had existed on Facebook for up to nine years; approximately ten percent of them had plied their trade on the social network for more than four years.

Here is a spreadsheet (PDF) listing all of the offending groups reported, including: Their stated group names; the length of time they were present on Facebook; the number of members; whether the group was promoting a third-party site on the dark or clear Web; and a link to the offending group. A copy of the same spreadsheet in .csv format is available here.

The biggest collection of groups banned last week were those promoting the sale and use of stolen credit and debit card accounts. The next largest collection of groups included those facilitating account takeovers — methods for mass-hacking emails and passwords for countless online accounts such Amazon, Google, Netflix, PayPal, as well as a host of online banking services.

This rather active Facebook group, which specialized in identity theft and selling stolen bank account logins, was active for roughly three years and had approximately 2,500 members.

In a statement to KrebsOnSecurity, Facebook pledged to be more proactive about policing its network for these types of groups.

“We thank Mr. Krebs for bringing these groups to our attention, we removed them as soon as we investigated,” said Pete Voss, Facebook’s communications director. “We investigated these groups as soon as we were aware of the report, and once we confirmed that they violated our Community Standards, we disabled them and removed the group admins. We encourage our community to report anything they see that they don’t think should be in Facebook, so we can take swift action.”

KrebsOnSecurity’s research was far from exhaustive: For the most part, I only looked at groups that promoted fraudulent activities in the English language. Also, I ignored groups that had fewer than 25 members. As such, there may well be hundreds or thousands of other groups who openly promote fraud as their purpose of membership but which achieve greater stealth by masking their intent with variations on or mispellings of different cyber fraud slang terms.

Facebook said its community standards policy does not allow the promotion or sale of illegal goods or services including credit card numbers or CVV numbers (stolen card details marketed for use in online fraud), and that once a violation is reported, its teams review a report and remove the offending post or group if it violates those policies.

The company added that Facebook users can report suspected violations by loading a group’s page, clicking “…” in the top right and selecting “Report Group”. Users who wish to learn more about reporting abusive groups can visit facebook.com/report.

“As technology improves, we will continue to look carefully at other ways to use automation,” Facebook’s statement concludes, responding to questions from KrebsOnSecurity about what steps it might take to more proactively scour its networks for abusive groups. “Of course, a lot of the work we do is very contextual, such as determining whether a particular comment is hateful or bullying. That’s why we have real people looking at those reports and making the decisions.”

Facebook’s stated newfound interest in cleaning up its platform comes as the social networking giant finds itself reeling from a scandal in which Cambridge Analytica, a political data firm, was found to have acquired access to private data on more than 50 million Facebook profiles — most of them scraped without user permission.

Categories: Technology, Virus Info

TWiT 662: Scraped On the Back End

This week in tech - Sun, 04/15/2018 - 21:56

Mark Zuckerberg comes out of his Congressional testimony unscathed. China will dominate AI in the coming decade. HomePods are not selling like HotCakes. Apple leaks leakers leaking leaks. Waymo wants to test truly driverless cars in California.

Host: Leo Laporte

Guests: Amy Webb, Lindsey Turrentine, and Jason Hiner

Download or subscribe to this show at https://twit.tv/shows/this-week-in-tech

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Categories: Podcasts, Technology

When Identity Thieves Hack Your Accountant

Krebs on Security - Wed, 04/11/2018 - 12:11

The Internal Revenue Service has been urging tax preparation firms to step up their cybersecurity efforts this year, warning that identity thieves and hackers increasingly are targeting certified public accountants (CPAs) in a bid to siphon oodles of sensitive personal and financial data on taxpayers. This is the story of a CPA in New Jersey whose compromise by malware led to identity theft and phony tax refund requests filed on behalf of his clients.

Last month, KrebsOnSecurity was alerted by security expert Alex Holden of Hold Security about a malware gang that appears to have focused on CPAs. The crooks in this case were using a Web-based keylogger that recorded every keystroke typed on the target’s machine, and periodically uploaded screenshots of whatever was being displayed on the victim’s computer screen at the time.

If you’ve never seen one of these keyloggers in action, viewing their output can be a bit unnerving. This particular malware is not terribly sophisticated, but nevertheless is quite effective. It not only grabs any data the victim submits into Web-based forms, but also captures any typing — including backspaces and typos as we can see in the screenshot below.

The malware records everything its victims type (including backspaces and typos), and frequently takes snapshots of the victim’s computer screen.

Whoever was running this scheme had all victim information uploaded to a site that was protected from data scraping by search engines, but the site itself did not require any form of authentication to view data harvested from victim PCs. Rather, the stolen information was indexed by victim and ordered by day, meaning anyone who knew the right URL could view each day’s keylogging record as one long image file.

Those records suggest that this particular CPA — “John,” a New Jersey professional whose real name will be left out of this story — likely had his computer compromised sometime in mid-March 2018 (at least, this is as far back as the keylogging records go for John).

It’s also not clear exactly which method the thieves used to get malware on John’s machine. Screenshots for John’s account suggest he routinely ignored messages from Microsoft and other third party Windows programs about the need to apply critical security updates.

Messages like this one — about critical security updates available for QuickBooks — went largely ignored, according to multiple screenshots from John’s computer.

More likely, however, John’s computer was compromised by someone who sent him a booby-trapped email attachment or link. When one considers just how frequently CPAs must need to open Microsoft Office and other files submitted by clients and potential clients via email, it’s not hard to imagine how simple it might be for hackers to target and successfully compromise your average CPA.

The keylogging malware itself appears to have been sold (or perhaps directly deployed) by a cybercriminal who uses the nickname ja_far. This individual markets a $50 keylogger product alongside a malware “crypting” service that guarantees his malware will be undetected by most antivirus products for a given number of days after it is used against a victim.

Ja_far’s sales threads for the keylogger used to steal tax and financial data from hundreds of John’s clients.

It seems likely that ja_far’s keylogger was the source of this data because at one point — early in the morning John’s time — the attacker appears to have accidentally pasted ja_far’s jabber instant messenger address into the victim’s screen instead of his own. In all likelihood, John’s assailant was seeking additional crypting services to ensure the keylogger remained undetected on John’s PC. A couple of minutes later, the intruder downloaded a file to John’s PC from file-sharing site sendspace.com.

The attacker apparently messing around on John’s computer while John was not sitting in front of the keyboard.

What I found remarkable about John’s situation was despite receiving notice after notice that the IRS had rejected many of his clients’ tax returns because those returns had already been filed by fraudsters, for at least two weeks John does not appear to have suspected that his compromised computer was likely the source of said fraud inflicted on his clients (or if he did, he didn’t share this notion with any of his friends or family via email).

Instead, John composed and distributed to his clients a form letter about their rejected returns, and another letter that clients could use to alert the IRS and New Jersey tax authorities of suspected identity fraud.

Then again, perhaps John ultimately did suspect that someone had commandeered his machine, because on March 30 he downloaded and installed Spyhunter 4, a security product by Enigma Software designed to detect spyware, keyloggers and rootkits, among other malicious software.

Evidently suspecting someone or something was messing with his computer, John downloaded the trial version of Spyhunter 4 to scan his PC for malware.

Spyhunter appears to have found ja_far’s keylogger, because shortly after the malware alert pictured above popped up on John’s screen, the Web-based keylogging service stopped recording logs from his machine. John did not respond to requests for comment (via phone).

It’s unlikely John’s various clients who experience(d) identity fraud, tax refund fraud or account takeovers as a result of his PC infection will ever learn the real reason for the fraud. I opted to keep his name out of this story because I thought the experience documented and explained here would be eye opening enough and I have no particular interest in ruining his business.

But a new type of identity theft that the IRS first warned about this year involving CPAs would be very difficult for a victim CPA to conceal. Identity thieves who specialize in tax refund fraud have been busy of late hacking online accounts at multiple tax preparation firms and using them to file phony refund requests. Once the IRS processes the return and deposits money into bank accounts of the hacked firms’ clients, the crooks contact those clients posing as a collection agency and demand that the money be “returned.”

If you go to file your taxes electronically this year and the return is rejected, it may mean fraudsters have beat you to it. The IRS advises taxpayers in this situation to follow the steps outlined in the Taxpayer Guide to Identity Theft. Those unable to file electronically should mail a paper tax return along with Form 14039 (PDF) — the Identity Theft Affidavit — stating they were victims of a tax preparer data breach.

Tax professionals might consider using something other than Microsoft Windows to manage their client’s data. I’ve long dispensed this advice for people in charge of handling payroll accounts for small- to mid-sized businesses. I continue to stand by this advice not because there isn’t malware that can infect Mac or Linux-based systems, but because the vast majority of malicious software out there today still targets Windows computers, and you don’t have to outrun the bear — only the next guy.

Many readers involved in handling corporate payroll accounts have countered that this advice is impractical for people who rely on multiple Windows-based programs to do their jobs. These days, however, most systems and services needed to perform accounting (and CPA) tasks can be used across multiple operating systems — mainly because they are now Web-based and rely instead on credentials entered at some cloud service (e.g., UltraTax, QuickBooks, or even Microsoft’s Office 365).

Naturally, users still must be on guard against phishing scams that try to trick people into divulging credentials to these services, but when your entire business of managing other people’s money and identities can be undone by a simple keylogger, it’s a good idea to do whatever you can to keep from becoming the next malware victim.

According to the IRS, fraudsters are using spear phishing attacks to compromise computers of tax pros. In this scheme, the “criminal singles out one or more tax preparers in a firm and sends an email posing as a trusted source such as the IRS, a tax software provider or a cloud storage provider. Thieves also may pose as clients or new prospects. The objective is to trick the tax professional into disclosing sensitive usernames and passwords or to open a link or attachment that secretly downloads malware enabling the thieves to track every keystroke.”

The IRS warns that some tax professionals may be unaware they are victims of data theft, even long after all of their clients’ data has been stolen by digital intruders. Here are some signs there might be a problem:

  • Client e-filed returns begin to be rejected because returns with their Social Security numbers were already filed;
  • The number of returns filed with tax practitioner’s Electronic Filing Identification Number (EFIN) exceeds number of clients;
  • Clients who haven’t filed tax returns begin to receive authentication letters from the IRS;
  • Network computers running slower than normal;
  • Computer cursors moving or changing numbers without touching the keyboard;
  • Network computers locking out tax practitioners.
Categories: Technology, Virus Info

The Linux Link Tech Show Episode 753

The Linux Link Tech Show - Wed, 04/11/2018 - 08:30
violations, flying, car talk, rabbitmq
Categories: Podcasts, Technology

Adobe, Microsoft Push Critical Security Fixes

Krebs on Security - Tue, 04/10/2018 - 18:26

Adobe and Microsoft each released critical fixes for their products today, a.k.a “Patch Tuesday,” the second Tuesday of every month. Adobe updated its Flash Player program to resolve a half dozen critical security holes. Microsoft issued updates to correct at least 65 security vulnerabilities in Windows and associated software.

The Microsoft updates impact many core Windows components, including the built-in browsers Internet Explorer and Edge, as well as Office, the Microsoft Malware Protection Engine, Microsoft Visual Studio and Microsoft Azure.

The Malware Protection Engine flaw is one that was publicly disclosed earlier this month, and one for which Redmond issued an out-of-band (outside of Patch Tuesday) update one week ago.

That flaw, discovered and reported by Google’s Project Zero program, is reportedly quite easy to exploit and impacts the malware scanning capabilities for a variety of Microsoft anti-malware products, including Windows Defender, Microsoft Endpoint Protection and Microsoft Security Essentials.

Microsoft really wants users to install these updates as qucikly as possible, but it might not be the worst idea to wait a few days before doing so: Quite often, problems with patches that may cause systems to end up in an endless reboot loop are reported and resolved with subsequent updates within a few days after their release. However, depending on which version of Windows you’re using it may be difficult to put off installing these patches.

Microsoft says by default, Windows 10 receives updates automatically, “and for customers running previous versions, we recommend they turn on automatic updates as a best practice.” Microsoft doesn’t make it easy for Windows 10 users to change this setting, but it is possible. For all other Windows OS users, if you’d rather be alerted to new updates when they’re available so you can choose when to install them, there’s a setting for that in Windows Update. In any case, don’t put off installing these updates too long.

Adobe’s Flash Player update fixes at least two critical bugs in the program. Adobe said it is not aware of any active exploits in the wild against either flaw, but if you’re not using Flash routinely for many sites, you probably want to disable or remove this buggy program.

Adobe is phasing out Flash entirely by 2020, but most of the major browsers already take steps to hobble Flash. And with good reason: It’s a major security liability. Google Chrome also bundles Flash, but blocks it from running on all but a handful of popular sites, and then only after user approval.

For Windows users with Mozilla Firefox installed, the browser prompts users to enable Flash on a per-site basis. Through the end of 2017 and into 2018, Microsoft Edge will continue to ask users for permission to run Flash on most sites the first time the site is visited, and will remember the user’s preference on subsequent visits.

The latest standalone version of Flash that addresses these bugs is 29.0.0.140  for Windows, MacLinux and Chrome OS. But most users probably would be better off manually hobbling or removing Flash altogether, since so few sites actually require it still. Disabling Flash in Chrome is simple enough. Paste “chrome://settings/content” into a Chrome browser bar and then select “Flash” from the list of items. By default it should be set to “Ask first” before running Flash, although users also can disable Flash entirely here or whitelist and blacklist specific sites.

More information on today’s updates is available from security vendors Ivanti and Qualys.

As always, if you experience problems installing any of these updates, feel free to note your issues in the comments below. Chances are, another reader here has experienced something similar and can assist in troubleshooting the issue.

Categories: Technology, Virus Info

SN 658: Deprecating TLS 1.0 & 1.1

Security Now - Tue, 04/10/2018 - 17:50

This week we discuss Intel's big Spectre microcode announcement, Telegram is not long for Russia, the US law enforcement's continuing push for "lawful decryption", more state-level net neutrality news, Win10's replacement for "Disk Cleanup", a bug bounty policy update, some follow-up to last week's Quad-1 DNS conversation, why clocks had been running slow throughout Europe... then a look at the deprecation of earlier version of TLS and a big Cisco mistake.

We invite you to read our show notes.

Hosts: Steve Gibson and Leo Laporte

Download or subscribe to this show at https://twit.tv/shows/security-now.

You can submit a question to Security Now! at the GRC Feedback Page.

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Categories: Podcasts, Technology

Don’t Give Away Historic Details About Yourself

Krebs on Security - Sun, 04/08/2018 - 22:31

Social media sites are littered with seemingly innocuous little quizzes, games and surveys urging people to reminisce about specific topics, such as “What was your first job,” or “What was your first car?” The problem with participating in these informal surveys is that in doing so you may be inadvertently giving away the answers to “secret questions” that can be used to unlock access to a host of your online identities and accounts.

I’m willing to bet that a good percentage of regular readers here would never respond — honestly or otherwise — to such questionnaires (except perhaps to chide others for responding). But I thought it was worth mentioning because certain social networks — particularly Facebook — seem positively overrun with these data-harvesting schemes. What’s more, I’m constantly asking friends and family members to stop participating in these quizzes and to stop urging their contacts to do the same.

On the surface, these simple questions may be little more than an attempt at online engagement by otherwise well-meaning companies and individuals. Nevertheless, your answers to these questions may live in perpetuity online, giving identity thieves and scammers ample ammunition to start gaining backdoor access to your various online accounts.

Consider, for example, the following quiz posted to Facebook by San Benito Tire Pros, a tire and auto repair shop in California. It asks Facebook users, “What car did you learn to drive stick shift on?”

I hope this is painfully obvious, but for many people the answer will be the same as to the question, “What was the make and model of your first car?”, which is one of several “secret questions” most commonly used by banks and other companies to let customers reset their passwords or gain access to the account without knowing the password.

This simple one-question quiz has been shared more than 250 times on Facebook since it was posted a week ago. Thousands of Facebook users responded in earnest, and in so doing linked their profile to the answer.

Probably the most well-known and common secret question, “what was the name of your first pet,” comes up in a number of Facebook quizzes that, incredibly, thousands of people answer willingly and (apparently) truthfully. When I saw this one I was reminded of this hilarious 2007 Daily Show interview wherein Jon Stewart has Microsoft co-founder Bill Gates on and tries to slyly ask him the name of his first pet.

Almost 5,000 Facebook users answered this common password reset secret question.

Womenworking.com asked a variation on this same question of their huge Facebook following and received an impressive number of responses:

Here’s a great one from springchicken.co.uk, an e-commerce site in the United Kingdom. It asks users to publicly state the answer to yet another common secret question: “What street did you grow up on?”

More than 500 Facebook users have shared this quiz with their network, and hundreds more shared the answer using their real names and links to their profiles.

This question, from the Facebook account of Rving.how — a site for owners of recreational vehicles — asks: “What was your first job?” How the answer to this question might possibly relate to RV camping is beyond me, but that didn’t stop people from responding.

The question, “What was your high school mascot” is another common secret question, and yet you can find this one floating around lots of Facebook profiles:

Among the most common secret questions is, “Where did you meet your spouse or partner?” Loads of people like to share this information online as well, it seems:

This common secret question has been shared on Facebook almost 10,000 times and has garnered more than 2,300 responses.

Here’s another gem from the Womenworking Facebook page. Who hasn’t had to use the next secret question at some point? Answering this truthfully — in a Facebook quiz or on your profile somewhere — is a bad idea.

Incredibly, 6,800 Facebook users answered this question.

Do you remember your first grade teacher’s name? Don’t worry, if you forget it after answering this question, Facebook will remember it for you:

I’ve never seen a “what was the first concert you ever saw” secret question, but it is unique as secret questions go and I wouldn’t be surprised if some companies use this one. “What is your favorite band?” is definitely a common secret question, however:

Giving away information about yourself, your likes and preferences, etc., can lead to all kinds of unexpected consequences. This practice may even help turn the tide of elections. Just take the ongoing scandal involving Cambridge Analytica, which reportedly collected data on more than 50 million Facebook users without their consent and then used this information to build behavioral models to target potential voters in various political campaigns.

I hope readers don’t interpret this story as KrebsOnSecurity endorsing secret questions as a valid form of authentication. In fact, I have railed against this practice for years, precisely because the answers often are so easily found using online services and social media profiles.

But if you must patronize a company or service that forces you to select secret questions, I think it’s a really good idea not to answer them truthfully. Just make sure you have a method for remembering your phony answer, in case you forget the lie somewhere down the road.

Many thanks to RonM for assistance with this post.

Categories: Technology, Virus Info

TWiT 661: The Ant Man Canon

This week in tech - Sun, 04/08/2018 - 21:05

Facebook issues the latest in a long string of apologies.YouTube shooter and the lure of fame. Apple plans its own chips for 2020, Mac Pro for 2019. Is Amazon spending too much on video? Terry Myerson out at Microsoft - the end of the Windows era. FBI seizes Backpage.com.

Host: Leo Laporte

Guests: Brianna Wu, Lisa Schmeiser, and Mark Milian

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Secret Service Warns of Chip Card Scheme

Krebs on Security - Thu, 04/05/2018 - 09:50

The U.S. Secret Service is warning financial institutions about a new scam involving the temporary theft of chip-based debit cards issued to large corporations. In this scheme, the fraudsters intercept new debit cards in the mail and replace the chips on the cards with chips from old cards. When the unsuspecting business receives and activates the modified card, thieves can start draining funds from the account.

Signs of a card with an old or invalid chip include heat damage around the chip or on the card, or a small hole in the plastic used to pry the chip off the card. Image: U.S. Secret Service.

According to an alert sent to banks late last month, the entire scheme goes as follows:

1. Criminals intercept mail sent from a financial institution to large corporations that contain payment cards, targeting debit payment cards with access to large amount of funds.

2. The crooks remove the chip from the debit payment card using a heat source that warms the glue.

3. Criminals replace the chip with an old or invalid chip and repackage the payment card for delivery.

4. Criminals place the stolen chip into an old payment card.

5. The corporation receives the debit payment card without realizing the chip has been replaced.

6. The corporate office activates the debit payment card; however, their payment card is inoperable thanks to the old chip.

7. Criminals use the payment card with the stolen chip for their personal gain once the corporate office activates the card.

The reason the crooks don’t just use the debit cards when intercepting them via the mail is that they need the cards to be activated first, and presumably they lack the privileged information needed to do that. So, they change out the chip and send the card on to the legitimate account holder and then wait for it to be activated.

The Secret Service memo doesn’t specify at what point in the mail process the crooks are intercepting the cards. It could well involve U.S. Postal Service employees (or another delivery service), or perhaps the thieves are somehow gaining access to company mailboxes directly. Either way, this alert shows the extent to which some thieves will go to target high-value customers.

One final note: It seems almost every time I write about the Secret Service in relation to credit card fraud, some readers are mystified why an agency entrusted with protecting the President of the United States is involved at all in these types of investigations. The truth is that safeguarding the nation’s currency supply from counterfeiters was the Secret Service’s original mission when it was first created in 1865. Only after the assassination of President William McKinley — the third sitting president to be assassinated — did that mandate come to include protecting the president and foreign dignitaries.

Incidentally, if you enjoy reading historical non-fiction, I’d highly recommend Candice Millard‘s magnificently researched and written book, Destiny of the Republic, about the life and slow, painful death of President James A. Garfield after he was shot in the back by his lunatic assailant.

Categories: Technology, Virus Info

Dot-cm Typosquatting Sites Visited 12M Times So Far in 2018

Krebs on Security - Wed, 04/04/2018 - 07:02

A story published here last week warned readers about a vast network of potentially malicious Web sites ending in “.cm” that mimic some of the world’s most popular Internet destinations (e.g. espn[dot]cm, aol[dot]cm and itunes[dot].cm) in a bid to bombard visitors with fake security alerts that can lock up one’s computer. If that piece lacked one key detail it was insight into just how many people were mistyping .com and ending up at one of these so-called “typosquatting” domains.

On March 30, an eagle-eyed reader noted that four years of access logs for the entire network of more than 1,000 dot-cm typosquatting domains were available for download directly from the typosquatting network’s own hosting provider. The logs — which include detailed records of how many people visited the sites over the past three years and from where — were deleted shortly after that comment was posted here, but not before KrebsOnSecurity managed to grab a copy of the entire archive for analysis.

The geographic distribution of 25,000 randomly selected Internet addresses (IP addresses) in the logs seen accessing the dot-cm typosquatting domains in February 2018. Batchgeo, the service used to produce this graphic, limits free lookups to 25,000, but the above image is likely still representative of the overall geographic distribution. Perhaps unsurprisingly, the largest share of traffic is coming from the United States.

Matthew Chambers, a security expert with whom this author worked on the original dot-cm typosquatting story published last week, analyzed the access logs from just the past three months and found the sites were visited approximately 12 million times during the first quarter of 2018.

Chambers said he combed through the logs and weeded out hits from Internet addresses that appeared to be bots or search engine scrapers. Here’s Chambers’ analysis of the 2018 access log data:

January 2018: 2,200,160 unique IPs
February 2018: 3,352,032 unique IPs
Mar 2018: 3,197,119 unique IPs

Those figures suggest that the total number of visits to these typosquatting sites in the first quarter of 2018 was approximately 12 million, or almost 50 million hits per year. Certainly, not everyone visiting these sites will have the experience that Chambers’ users reported (being bombarded with misleading malware alerts and redirected to scammy and spammy Web sites), but it seems clear this network could make its operators a pretty penny regardless of the content that ends up getting served through it.

Until very recently, the site access logs for this network of more than 1,000 dot-cm typosquatting sites were available on the same server hosting the network.

Chambers also performed “reverse DNS” lookups on the IP addresses listed in the various dot-cm access logs for the month of February 2018. It’s worth noting here that many of the dot-cm (.cm) typosquatting domains in this network (PDF) are trying to divert traffic away from extremely popular porn sites (e.g. pornhub[dot]cm).

“I’ve been diving thru the data thus far, and came up with some interesting visitors,” Chambers said. “I pulled those when it was easy to observe that a particular agency owned a large range of IPs.”

Chambers queried the logs from 2018 for any hits coming from .gov or .mil sites. Here’s what he found:

-National Aeronautics and Space Administration (JSC, GSFC, JPL, NDC): Accessed one of the .cm typosquatting sites 104 times in February, including 16 porn sites.
Department of Justice (80 times) [7 porn sites]
United States House of Representatives (47 times) [17 porn sites]
Central Intelligence Agency (6 times)
United State Army (29 times)
United States Navy (25 times)
Environmental Protection Agency (15 times)
New York State Court System (4 times)

Other federal agencies with typosquatting victims visiting these domains include:

Defense Information Systems Agency (DISA)
Sandia National Laboratories
National Oceanic and Atmospheric Administration (NOAA)
United States Department of Agriculture
Berkeley Lab
Pacific Northwest Lab

Last week’s story noted this entire network appears to be rented out by a Colorado-based online marketing firm called Media Breakaway. That company is headed by Scott Richter, a convicted felon and once self-avowed “spam king” who’s been successfully sued for spamming by Microsoft, MySpace and the New York attorney general. Neither Richter nor anyone else at Media Breakaway has responded to requests for comment.

If you’re in the habit of directly navigating to Web sites (i.e. typing the name of the site into a Web browser address bar), consider weaning yourself of this risky practice. As these ubiquitous typosquatting sites show, it’s a good idea to avoid directly navigating to Web sites you frequent. Instead, bookmark the sites you visit most, particularly those that store your personal and financial information, or that require a login for access.

Categories: Technology, Virus Info

SN 657: ProtonMail

Security Now - Tue, 04/03/2018 - 20:12

This week we discuss "DrupalGeddon2", Cloudflare's new DNS offering, a reminder about GRC's DNS Benchmark, Microsoft's Meltdown meltdown, the persistent iOS QR Code flaw and its long-awaited v11.3 update, another VPN user IP leak, more bug bounty news, an ill-fated-seeming new eMail initiative, Free electricity, a policy change at Google's Chrome store, another "please change your passwords" after another website breach, a bit of miscellany, a heart-warming SpinRite report, some closing the loop feedback from our terrific listeners, and a closer look at the Swiss encrypted ProtonMail service.

Hosts: Steve Gibson and Leo Laporte

Download or subscribe to this show at https://twit.tv/shows/security-now.

You can submit a question to Security Now! at the GRC Feedback Page.

For 16kbps versions, transcripts, and notes (including fixes), visit Steve's site: grc.com, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.

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Categories: Podcasts, Technology

Panerabread.com Leaks Millions of Customer Records

Krebs on Security - Mon, 04/02/2018 - 15:37

Panerabread.com, the Web site for the American chain of bakery-cafe fast casual restaurants by the same name, leaked millions of customer records — including names, email and physical addresses, birthdays and the last four digits of the customer’s credit card number — for at least eight months before it was yanked offline earlier today, KrebsOnSecurity has learned.

The data available in plain text from Panera’s site appeared to include records for any customer who has signed up for an account to order food online via panerabread.com. The St. Louis-based company, which has more than 2,100 retail locations in the United States and Canada, allows customers to order food online for pickup in stores or for delivery.

Redacted records from Panera’s site, which let anyone search by a variety of customer attributes, including phone number, email address, physical address or loyalty account number. In this example, the phone number was a main line at an office building where many different employees apparently registered to order food online.

KrebsOnSecurity learned about the breach earlier today after being contacted by security researcher Dylan Houlihan, who said he initially notified Panera about customer data leaking from its Web site back on August 2, 2017.

A long message thread that Houlihan shared between himself and Panera indicates that Mike Gustavison, Panera’s director of information security, initially dismissed Houlihan’s report as a likely scam. A week later, however, those messages suggest that the company had validated Houlihan’s findings and was working on a fix.

“Thank you for the information we are working on a resolution,” Gustavison wrote.

Panera was alerted about the data leakage in early August 2017, and said it was fixing the problem then.

Fast forward to early this afternoon — exactly eight months to the day after Houlihan first reported the problem — and data shared by Houlihan indicated the site was still leaking customer records in plain text. Worse still, the records could be indexed and crawled by automated tools with very little effort.

For example, some of the customer records include unique identifiers that increment by one for each new record, making it potentially simple for someone to scrape all available customer accounts. The format of the database also lets anyone search for customers via a variety of data points, including by phone number.

“Panera Bread uses sequential integers for account IDs, which means that if your goal is to gather as much information as you can instead about someone, you can simply increment through the accounts and collect as much as you’d like, up to and including the entire database,” Houlihan said.

Asked whether he saw any indication that Panera ever addressed the issue he reported in August 2017 until today, Houlihan said no.

“No, the flaw never disappeared,” he said. “I checked on it every month or so because I was pissed.”

Shortly after KrebsOnSecurity spoke briefly with Panera’s chief information officer John Meister by phone today, the company briefly took the Web site offline. As of this publication, the site is back online but the data referenced above no longer appears to be reachable.

Panera took its site down today after being notified by KrebsOnSecurity.

Another data point exposed in these records included the customer’s Panera loyalty card number, which could potentially be abused by scammers to spend prepaid accounts or to otherwise siphon value from Panera customer loyalty accounts.

It is not clear yet exactly how many Panera customer records may have been exposed by the company’s leaky Web site, but incremental customer numbers indexed by the site suggest that number may be higher than seven million. It’s also unclear whether any Panera customer account passwords may have been impacted.

In a written statement, Panera said it had fixed the problem within less than two hours of being notified by KrebsOnSecurity. But Panera did not explain why it appears to have taken the company eight months to fix the issue after initially acknowledging it privately with Houlihan.

“Panera takes data security very seriously and this issue is resolved,” the statement reads. “Following reports today of a potential problem on our website, we suspended the functionality to repair the issue.  Our investigation is continuing, but there is no evidence of payment card information nor a large number of records being accessed or retrieved.”

Categories: Technology, Virus Info

TWiT 660: Bankwupt

This week in tech - Sun, 04/01/2018 - 19:58

Best April Fools Tech Jokes. Cloudflare's 1.1.1.1 DNS service. Apple's Education Event. US wants visa applicants' social media accounts. Tim Cook talks privacy. Ready Player One review. SpaceX's satellite internet plans. Fatal Tesla crash.

Host: Leo Laporte

Guests: Wesley Faulkner, Alex Wilhelm, and Andy Ihnatko

Download or subscribe to this show at https://twit.tv/shows/this-week-in-tech

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Coinhive Exposé Prompts Cancer Research Fundraiser

Krebs on Security - Fri, 03/30/2018 - 11:55

A story published here this week revealed the real-life identity behind the original creator of Coinhive — a controversial cryptocurrency mining service that several security firms have recently labeled the most ubiquitous malware threat on the Internet today. In an unusual form of protest against that story, members of a popular German language image-posting board founded by the Coinhive creator have vented their dismay by donating tens of thousands of euros to local charities that support cancer research.

On Monday KrebsOnSecurity published Who and What is Coinhive, an in-depth story which proved that the founder of Coinhive was indeed the founder of the German image hosting and discussion forum pr0gramm[dot]com (not safe for work). I undertook the research because Coinhive’s code primarily is found on tens of thousands of hacked Web sites, and because the until-recently anonymous Coinhive operator(s) have been reluctant to take steps that might curb the widespread abuse of their platform.

One of countless pages of images posted about this author by pr0gramm users in response to the story about Coinhive.

In an early version of its Web site, Coinhive said its service was first tested on pr0gramm, and that the founder(s) of Coinhive considered pr0gramm “their platform” of 11 years (exactly the length of time pr0gramm has been online). Coinhive declined to say who was running their service, and tried to tell me their earlier statement about Coinhive’s longtime affiliation with pr0gramm was a convenient lie that was used to helped jump-start the service by enlisting the help of pr0gramm’s thousands of members.

Undeterred, I proceeded with my research based on the assumption that one or more of the founders of pr0gramm were involved in Coinhive. When I learned the real-life identities of the pr0gramm founders and approached them directly, each deflected questions about their apparent roles in founding and launching Coinhive.

However, shortly after the Coinhive story went live, the original founder of pr0gramm (Dominic Szablewski, a.k.a. “cha0s”) published a blog post acknowledging that he was in fact the creator of Coinhive. What’s more, Coinhive has since added legal contact information to its Web site, and has said it is now taking steps to ensure that it no longer profits from cryptocurrency mining activity after hacked Web sites owners report finding Coinhive’s code on their sites.

Normally, when KrebsOnSecurity publishes a piece that sheds light on a corner of the Internet that would rather remain in the shadows, the response is as predictable as it is swift: Distributed denial-of-service (DDoS) attacks on this site combined with threats of physical violence and harm from anonymous users on Twitter and other social networks.

While this site did receive several small DDoS attacks this week — and more than a few anonymous threats of physical violence and even death related to the Coinhive story — the response from pr0gramm members has been remarkably positive overall.

The pr0gramm community quickly seized on the fact that my last name — Krebs — means “crab” and “cancer” in German. Apparently urged by one of the pr0gramm founders named in the story to express their anger in “objective and polite” ways, several pr0gramm members took to donating money to the Deutsche Krebshilfe (German Cancer Aid/DKMS) Web site as a way to display their unity and numbers.

The protest (pr0test?) soon caught on in the Twitter hashtag “#KrebsIsCancer,” promoted and re-tweeted heavily by pr0gramm members as a means to “Fight Krebs” or fight cancer. According to a statement on DKMS’s Web site, the KrebsIsCancer campaign involved donations from more than 8,300 people totaling 207,500 euros (~USD $256,000).

Update, 2:46 p.m. ET: Updated donation figures per statement posted today on DKMS site.

Categories: Technology, Virus Info

Omitting the “o” in .com Could Be Costly

Krebs on Security - Thu, 03/29/2018 - 07:08

Take care when typing a domain name into a browser address bar, because it’s far too easy to fat-finger a key and wind up somewhere you don’t want to go. For example, if you try to visit some of the most popular destinations on the Web but omit the “o” in .com (and type .cm instead), there’s a good chance your browser will be bombarded with malware alerts and other misleading messages — potentially even causing your computer to lock up completely. As it happens, many of these domains appear tied to a marketing company whose CEO is a convicted felon and once self-proclaimed “Spam King.”

Matthew Chambers is a senior security adviser at SecureWorks, an Atlanta-based firm that helps companies defend against and respond to cyberattacks. Earlier this month Chambers penned a post on his personal blog detailing what he found after several users he looks after accidentally mistyped different domains — such as espn[dot]cm.

Chambers said the user who visited that domain told him that after typing in espn.com he quickly had his computer screen filled with alerts about malware and countless other pop-ups. Security logs for that user’s system revealed the user had actually typed espn[dot]cm, but when Chambers reviewed the source code at that Web page he found an innocuous placeholder content page instead.

“One thing we notice is that any links generated off these domains tend to only work one time, if you try to revisit it’s a 404,” Chambers wrote, referring to the standard 404 message displayed in the browser when a Web page is not found. “The file is deleted to prevent researchers from trying to grab it, or automatic scanners from downloading it. Also, some of the exploit code on these sites will randomly vaporize, and they will have no code on them, but were just being weaponized in campaigns. It could be the user agent, or some other factor, but they definitely go dormant for periods of time.”

Espn[dot]cm is one of more than a thousand so-called “typosquatting” domains hosted on the same Internet address (85.25.199.30), including aetna[dot]cmaol[dot]cm, box[dot]cm, chase[dot]cm, citicards[dot]cmcostco[dot]cm, facebook[dot]cmgeico[dot]cm, hulu[dot]cmitunes[dot]cm, pnc[dot]cmslate[dot]cmsuntrust[dot]cm, turbotax[dot]cm, and walmart[dot]cm. I’ve compiled a partial list of the most popular typosquatting domains that are part of this network here (PDF).

KrebsOnSecurity sought to dig a bit deeper into Chambers’ findings, researching some of the domain registration records tied to the list of dot-cm typosquatting domains. Helpfully, all of the domains currently redirect visitors to just one of two landing pages — either antistrophebail[dot]com or chillcardiac[dot]com.

For the moment, if one visits either of these domains directly via a desktop Web browser (I’d advise against this) chances are the site will display a message saying, “Sorry, we currently have no promotions available right now.” Browsing some of them with a mobile device sometimes leads to a page urging the visitor to complete a “short survey” in exchange for “a chance to get an gift [sic] cards, coupons and other amazing deals!”

Those antistrophebail and chillcardiac domains — as well as 1,500+ others — were registered to the email address: ryanteraksxe1@yahoo.com. A Web search on that address doesn’t tell us much, but entering it at Yahoo‘s “forgot password” page lists a partially obfuscated address to which Yahoo can send an account key that may be used to reset the password for the account. That address is k*****ng@mediabreakaway[dot]com.

The full email address is kmanning@mediabreakaway[dot]com. According to the “leadership” page at mediabreakaway[dot]com, the email address ryanteraksxe1@yahoo.com almost certainly belongs to one Kacy Manning, who is listed as the “Manager of Special Projects” at Colorado based marketing firm Media Breakaway LLC.

Media Breakaway is headed by Scott Richter, a convicted felon who’s been successfully sued for spamming by some of the biggest media companies over the years.

In 2003, New York’s attorney general sued Richter and his former company OptInRealBig[dot]com after an investigation by Microsoft found his company was the source of hundreds of millions of spam emails daily touting dubious products and services. OptInRealBig later declared bankruptcy in the face of a $500 million judgment against the company. At the time, anti-spam group Spamhaus listed Richter as the world’s third most prolific spammer worldwide. For more on how Richter views his business, check out this hilarious interview that Richter gave to the The Daily Show in 2004.

In 2006, Richter paid $7 million to Microsoft in a settlement arising out of a lawsuit alleging illegal spamming.

In 2007, Richter and Media Breakaway were sued by social networking site MySpace; a year later, an arbitration firm awarded MySpace $6 million in damages and attorneys fees.

In 2013, the Internet Corporation for Assigned Names and Numbers (ICANN), the nonprofit firm which oversees the domain name registration industry, terminated the registrar agreement for Dynamic Dolphin, a domain name registrar of which Richter was the CEO.

According to the contracts that ICANN requires all registrars to sign, registrars may not have anyone as an officer of the company who has been convicted of a criminal offense involving financial activities. While Richter’s spam offenses all involve civil matters, KrebsOnSecurity discovered several years ago that Richter had actually pleaded guilty in 2003 to a felony grand larceny charge.

Scott Richter. Image: 4law.co.il

Richter, then 32, was busted for conspiring to deal in stolen goods, including a Bobcat, a generator, laptop computers, cigarettes and tools. He later pleaded guilty to one felony count of grand larceny, and was ordered to pay nearly $38,000 in restitution to cover costs linked to the case.

Neither Richter nor Media Breakaway responded to requests for comment on this story.

Chambers said it appears Media Breakaway is selling advertising space to unscrupulous actors who are pushing potentially unwanted programs (PUPs) or adware over the network.

“You end up coming out of the funnel into an advertiser’s payload site, and Media Breakaway is the publisher that routes those ‘parked/typosquatting’ sites as a gateway,” Chambers said. “Research on the IP under VirusTotal Communicating Files shows files like this one (42/66 engines) reporting to the IP address that hosts all these sites, and it goes back to at least March 2015. That file SETUPINST.EXE has detection primarily as LiveSoftAction, GetNow, ElDorado, and Multitoolbar. I think it’s just pushing out [content] for sketchy advertisers.”

It’s remarkable that so many huge corporate brand names aren’t doing more to police their trademarks and to prevent would-be visitors from falling victim to such blatant typosquatting traps.

Under the Uniform Domain-Name Dispute-Resolution Policy (UDRP), trademark holders can lodge typosquatting complaints with the World Intellectual Property Organization (WIPO). The complainant can wrest control over a disputed domain name, but first needs to show that the registered domain name is identical or “confusingly similar” to their trademark, that the registrant has no legitimate interest in the domain name, and that the domain name is being used in bad faith.

Everyone makes typ0s from time to time, which is why it’s a good idea to avoid directly navigating to Web sites you frequent. Instead, bookmark the sites you visit most, particularly those that store your personal and financial information, or that require a login for access.

Oh, and if your security or antivirus software allows you to block all Web sites in a given top-level domain, it might not be a bad idea to block anything coming out of dot-cm (the country code top-level domain for Cameroon): A report published in December 2009 by McAfee found that .cm was the riskiest domain in the world, with 36.7% of the sites posing a security risk to PCs.

Categories: Technology, Virus Info

The Linux Link Tech Show Episode 752

The Linux Link Tech Show - Wed, 03/28/2018 - 08:30
fun and information you want
Categories: Podcasts, Technology

The Linux Link Tech Show Episode 751

The Linux Link Tech Show - Wed, 03/28/2018 - 08:30
fun and information you want
Categories: Podcasts, Technology

SN 656: TLS v1.3 Happens

Security Now - Tue, 03/27/2018 - 20:25

The mess with US voting machines, technology's inherent security vs convenience tradeoff, the evolving 2018 global threat landscape, welcome news on the bug bounty front from Netflix and Dropbox, we have the interesting results of Stack Overflow's 8th annual survey of 101,592 developers, worrisome news on the US government data overreach front, some useful and important new web browser features, messenger app troubles, a CRITICAL Drupal updated coming tomorrow, some welcome news for DNS security & privacy, a bit of miscellany and a look at the just-ratified TLS v1.3.

We invite you to read our show notes.

Hosts: Steve Gibson and Leo Laporte

Download or subscribe to this show at https://twit.tv/shows/security-now.

You can submit a question to Security Now! at the GRC Feedback Page.

For 16kbps versions, transcripts, and notes (including fixes), visit Steve's site: grc.com, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.

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Categories: Podcasts, Technology

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