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Cybersecurity guru Steve Gibson joins Leo Laporte every Tuesday. Steve and Leo break down the latest cybercrime and hacking stories, offering a deep understanding of what's happening and how to protect yourself and your business. Security Now is a must listen for security professionals every week. Records live every Tuesday at 4:30pm Eastern / 1:30pm Pacific / 21:30 UTC.
Updated: 5 hours 57 min ago

SN 1055: React's Perfect 10 - RAM Is the New Lobster

Tue, 12/09/2025 - 20:46

A devastating new React vulnerability earned a "perfect 10" for risk, letting attackers remotely run code on a million-plus servers with a single HTTP request. Find out what happened, how fast attackers moved in, and why this bug changes everything for web security.

  • France's VanityFair face a stiff fine over cookies.
  • GrapheneOS pulls out of France over coercion worries.
  • The EU adds to the pile-on over underage social media.
  • India mandates the tracking of all smartphones.
  • Apple says no.
  • India abandons its smartphone tracking mandate.
  • India requires all encrypted messaging to be SIM-tied.
  • Scattered Lapsus$ Hunters --becomes--> SLH.
  • AI demand has driven RAM pricing sky high.
  • GRC's DNS Benchmark is finished and available.
  • Cisco may talk a good game, but they're still Cisco.
  • Browsers to ask users for local network access permission.
  • React: The worst remote code exploit in a LONG time.

Show Notes - https://www.grc.com/sn/SN-1055-Notes.pdf

Hosts: Steve Gibson and Leo Laporte

Download or subscribe to Security Now 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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SN 1054: Bots in the Belfry - Cisco Promises Real Security Fixes!

Tue, 12/02/2025 - 22:08

Cisco has finally admitted it's time for real change and is vowing to build "secure by default" gear after decades of criticism. Steve Gibson reacts to a rare moment when a tech giant actually gets security right—and what it means for everyone running critical infrastructure.

• Scattered Lapsus$ Hunters strikes (Salesforce) again.
• Cisco actually (no kidding) sees the light.
• Next week, Australia bans all underage social media.
• The EU Parliament moves to replace US computer tech.
• When to use Passwords, Passkeys or Yubikeys.
• Do unpowered SSDs lose their data.
• How about a "Joy of Coding" podcast.
• A Bitwarden Passkeys integration glitch.
• XSLT is sneaky. It's where you don't expect it.
• We know where last week's picture came from.
• The long-awaited return of a new Stargate series.
• A simple test to check our networks for any bot infections.

Show Notes - https://www.grc.com/sn/SN-1054-Notes.pdf

Hosts: Steve Gibson and Leo Laporte

Download or subscribe to Security Now 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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SN 1053: Banning VPNs - The Equals Coffee Hack

Tue, 11/25/2025 - 20:06

Could banning VPNs really become law in the US? This episode breaks down the jaw-dropping legislation in Wisconsin and Michigan that targets VPN access for everyone, not just kids—and what it means for your digital privacy.

  • The EU finally comes to its "Chat Control" senses.
  • Windows 11 to include SysInternals Sysmon natively.
  • Chrome's tabs (optionally) go vertical.
  • The Pentagon begins its investment in warfare AI.
  • Members of the military are being doxed by social media.
  • A look inside the futility of trying to corral AI.
  • The surprising lack of WhatsApp user privacy.
  • Exactly what happened last week to Cloudflare?
  • Britain (over)reacts to the Jaguar Land Rover incident.
  • Project: Hail Mary's second trailer released.
  • US state legislatures want to ban VPNs altogether

Show Notes - https://www.grc.com/sn/SN-1053-Notes.pdf

Hosts: Steve Gibson and Leo Laporte

Download or subscribe to Security Now 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.

Join Club TWiT for Ad-Free Podcasts!
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SN 1052: Global Cellphone Tracking - Checkout.com Fights Back

Tue, 11/18/2025 - 20:56

Think your cell phone is safe from tracking? Steve reveals how global networks let anyone pinpoint your location—no hacking required and no malware involved.

  • Apple introduces a new Digital ID inside Wallet.
  • Checkout.com refuses to pay a ransom demand.
  • Google announces "Private AI Compute" in the cloud.
  • Google backpedals on their "devs must register" demand.
  • Win11 added a Passkeys API which 1Password & Bitwarden support.
  • Russia tracks SIM card appearances to thwart drone usage.
  • Google sues Chinese Phishing as a Service platform.
  • Lots of interesting listener feedback.
  • Global cellphone tracking is alive, well, malware free and a distressingly common commercial enterprise

Show Notes - https://www.grc.com/sn/SN-1052-Notes.pdf

Hosts: Steve Gibson and Leo Laporte

Download or subscribe to Security Now 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.

Join Club TWiT for Ad-Free Podcasts!
Support what you love and get ad-free shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit

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Categories: Podcasts, Technology