Security Now!

An explosive supply chain hack in Light LLM nearly unleashed catastrophic malware across millions of AI systems, and it took a coder's quick thinking to catch it before it snowballed into disaster.
Will California require Linux to verify its user's age. • Apple's iOS 26.4 requires UK users to prove their age.
Russia chooses to use home grown 5G mobile encryption.
Ukraine knew the webcam was installed by Russian spies.
Google moves quantum computing "Q Day" to 2029.
At RSA, UK's NCSC CEO warns of vibe-coded SaaS replacements.
More information about nasty ClickFix campaigns.
More than one in seven Reddit postings are an AI-bot.
The story behind the LiteLLM disaster that was averted.
Show Notes - https://www.grc.com/sn/SN-1072-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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When convenience trumps caution, disaster waits in the wings. Join Steve Gibson and Mikah Sargent as they break down the jaw-dropping oversights lurking in mission-critical tax and cloud tools, and examine how a single unchecked decision can upend internet security for years.
H&R Block's tax software does something SO WRONG.
The Intoxalock breathalyzer calibration cyber attack.
Firefox now offers a 100% free built-in VPN.
TikTok and Meta's tracking pixels are so much more.
Russians beg for the return of Telegram, WhatsApps and others.
Never connect your crypto-wallet to an unknown service.
What would a week be without a Cisco CVSS of 10.0.
Ubiquiti patches a 10.0 critical flaw.
Listener feedback and...
What's "Bucketsquatting" and what can be done to prevent it
Show Notes - https://www.grc.com/sn/SN-1071-Notes.pdf
Hosts: Steve Gibson and Mikah Sargent
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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Meta quietly ditches encryption for Instagram chats while TikTok also backpedals on privacy, shaking up assumptions about how much big tech really values your secrets. Meanwhile, Steve Gibson reveals why CISA's free government security scans are an absolute must for businesses—plus what he learned when GRC took the plunge.
The Security Now "Caption That Photo" contest.
A mega social media company says "no" to strong encryption.
WhatsApp to give parents more control,
Consumer bandwidth proxying is becoming a big deal.
Meta buys the Moltbook duo.
The EU gives up and settles upon the status quo.
When a ransomware negotiation is not what it seems.
CISA compels federal agencies to submit their logs.
Is that a VPN in your pocket or something more malicious.
Be careful what you download, thinking it's AI.
A super-clever and super-simple A/V scanner bypass.
Will AI write code for me?
Another listener discovers the Joy of AI.
Steve's CISA Internet scanning experience
Show Notes - https://www.grc.com/sn/SN-1070-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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Think your online alias keeps you safe? This episode reveals how advanced language models are making it trivial to de-anonymize users at scale, challenging everything we thought we knew about internet privacy.
Anthropic & Mozilla improve Firefox's security.
Apple & Google begin testing cross-platform RCS encryption.
Ubuntu's SUDO starts echoing asterisks.
Inviting a web proxy into your home.
Apple devices cleared by Germany for NATO's use.
A serious remote takeover of OpenClaw.
TokTok won't encrypt messaging for visibility.
Microsoft bans the term "Microslop" on Discord.
Lot's of great listener feedback.
LLMs could make Orwell's 1984 seem optimistic.
Show Notes - https://www.grc.com/sn/SN-1069-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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Steve Gibson and Leo Laporte host a special episode of Security Now live from ThreatLocker's Zero Trust World 2026 in Orlando, Florida.
The final frontier of security is internal. Today, we have the tools, techniques and technologies to thwart attacks originating from outside our perimeter. We're now good at protecting our borders. But major high profile breaches occurring over the past several years have revealed that insufficient attention has been given to the security of our internal systems and networks. Today's greatest security weaknesses result from decades of system design, deployment and policy that have placed far too much trust on the conduct of those on the inside, behind our borders. Whether deliberate, inadvertent, or externally penetrating, the greatest challenge we now face is that of designing and deploying our internal security with strict adherence to the principles of least privilege and zero trust.
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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A crafty new breed of social engineering attack is tricking users into launching malware straight from their clipboard, exposing a fresh vulnerability in Windows that even tech pros could fall for. Leo Laporte and Steve Gibson break down how the latest ClickFix and CrashFix exploits are outsmarting traditional defenses.
The lowdown on last week's "no turn" picture of the week.
Is an AI-driven hacking campaign a big deal now.
Clause used in multiple Mexican government attacks.
Apple continues to be confronted with age restrictions.
COPPA needs an exception to allow age collection.
Meta swamps law enforcement with AI-slop CSAM reports.
Roskomnadzor has been busy blocking VPNs. Guess how many.
The UK tries to report their self-scanning success.
Remember that hacker who extorted the psychotherapy patients.
Scattered Lapsus$ Hunters is actively recruiting women.
Cisco lands another breathtakingly rare 10.0 CVSS.
VulnCheck's report on 2025 vulnerabilities and exploits.
Steve discovers a fabulous $72 Hardware Security Module.
A listener shares an interesting AI service discovery.
The very potent "ClickFix" exploit evolves
Show Notes - https://www.grc.com/sn/SN-1067-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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ETH Zurich's deep-dive into the world's top password managers exposes how feature overload and legacy design obscure real security flaws, forcing a rethink of what "zero knowledge" actually means for your vault. Learn why recent fixes matter—and why open source may be your safest bet.
CA's warn us to urgently prepare for the inevitable.
Three U.S. states attempt to ban 3D printed firearms.
Denied ransom, ShinyHunters leaks 967,000 personal details.
"Billions" of U.S. social security numbers leaked.
Is Apple planning to add cameras to three new gadgets.
No more security fixes for Firefox on Windows 7 & 8.
Russia blocks the official Linux kernel site they need.
Will the U.S."freedom.gov" site post EU blocked content.
LLM's will offer secure passwords. Do Not Use Them.
As predicted, the "ClickFix" attack strategy takes over.
A listener believes his computer is compromised.
How could three popular password managers get things wrong.
Show Notes - https://www.grc.com/sn/SN-1066-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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How secure are your Chrome extensions and certificate signings really? This episode pulls back the curtain on a massive spyware discovery and exposes the convoluted hoops developers must jump through to prove their identity in 2026.
Websites can place high demands upon limited CPU resources.
Microsoft appears to back away from its security commitment.
What's Windows 11 26H1 and where do I get it.
Chrome 145 brings Device Bound Session Credentials.
More countries are moving to ban underage social media use.
The return of Roskomnadzor.
Discord to require proof of adulthood for adult content.
Might you still be using WinRAR 7.12 -- I was.
Paragon's Graphite can definitely spy on all instant messaging.
30 malicious Chrome Extensions.
287 Chrome extensions from spying on 37.4 million users.
The first malicious Outlook add-in steals 4000 user's credentials.
Some AI "vibe" coding thoughts.
What I just went through to obtain a new code signing certificate
Show Notes - https://www.grc.com/sn/SN-1065-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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From EU fines that never get paid to cyber warfare grounding missiles mid-battle, this week's episode uncovers the untold stories and real-world consequences shaping today's digital defenses.
How is the EU's GDPR fine collection going.
Western democracies are getting serious about offensive cybercrime.
The powerful cyber component of the Midnight Hammer operation.
Signs of psychological dependence upon OpenAI's GPT-4o chatbot.
CISA orders government agencies to unplug end-of-support devices.
How to keep Windows from annoying us after an upgrade.
What is OpenClaw, how safe is it to use, what does it mean.
Another listener uses AI to completely code an app.
Coinbase suffers another insider breach. What can be done
Show Notes - https://www.grc.com/sn/SN-1064-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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When a popular antivirus and even Notepad++ turn into infection vectors after supply chain breaches, it's clear no software is safe from attack—or from its own update system. Steve and Leo unpack the risks hiding right inside your next auto-update.
An anti-virus system infects its own users.
Apple's next iOS release "fuzzes" cellular locations.
cURL discontinues bug bounties under bogus AI flood.
AI discovers and fixes 15 CVE-worthy 0-days in OpenSSL.
Ireland did NOT already pass their spying legislation.
AI irreversibly deletes all project files. Says it's sorry.
Windows has a serious global clipboard security problem.
ISPs have the ability to monetize their subscriber's identities.
MongoDB has lowered the hacking skill level bar to the floor
Show Notes - https://www.grc.com/sn/SN-1063-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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Can AI really write malware better than hackers ever could? This episode exposes the first real-world case of advanced, fully AI-generated malware and why it signals a seismic shift in cybersecurity risk.
CISA's uncertain future remains quite worrisome.
Worrisome is Ireland's new "lawful" interception law.
The EU's Digital Rights organization pushes back.
Microsoft acknowledges it turns over user encryption keys.
Alex Neihaus on AI enterprise usage dangers.
Gavin confesses he put a database on the Internet.
Worries about a massive podcast rewinding backlog.
What does the emergence of AI-generated malware portend?
Show Note - https://www.grc.com/sn/SN-1062-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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Soaring RAM prices are about to hit your security gear where it hurts, and the fallout could change what's protecting your network. Find out who's about to pay and why the AI gold rush is reshaping more than just your server specs.
RAM pricing to affect enterprise firewall equipment.
Anthropic provides sizeable support to Python Foundation.
The FTC clamps down on GM's secret sale of driving data.
"ANCHOR" replaces "CIPAC" for industry-government sharing.
Germany planning to legislate total access to global data.
Grubhub becomes the latest ShinyHunters extortion victim.
Let's Encrypt's 6-Day certs are available to everyone.
Iran planning to permanently take itself off the Internet.
HD Tune before and after a SpinRite Level 3 refresh.
Some great listener feedback, and
More trouble from GhostPoster malicious browser extensions
Show Notes - https://www.grc.com/sn/SN-1061-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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Why are code signing certificates suddenly so expensive, short-lived, and tangled in red tape? Leo Laporte and Steve Gibson dig into Microsoft's "three-day certificates," the hidden costs for developers, and the security tradeoffs no one saw coming.
A look at Microsoft's Azure cloud code signing.
California implements DROP, global data broker opt-out.
Where's the town of "Whata Bod" Idaho.
iOS built-in Mail app worked itself out of a job.
A 30-minute tutorial for non-coders about AI coding.
Claude Code appears to be winning over the AI coding world.
Various listener musings on code signing.
A bit of Magnesium feedback.
What use are 3-day code signing certs?
Show Notes - https://www.grc.com/sn/SN-1060-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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Why are code signing certificates suddenly getting shorter, pricier, and more restrictive? Steve Gibson and Leo Laporte expose the "cabal" rewriting the rules for everyone who builds software—and what it means for your security and your wallet.
Code-signing certificate lifetimes shortened by two years.
Sadly, ChatGPT is heading toward an advertising profit model.
The Python Package Index is strengthening its security.
BitLocker gets hardware acceleration, but not today.
New York City's mayoral inauguration banned Raspberry Pi's.
An astonishingly good British time travel series.
A critical link between Vitamin D and Magnesium.
A look inside the very bad MongoBleed vulnerability
Show Notes - https://www.grc.com/sn/SN-1059-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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In this special holiday episode, Steve Gibson and Leo Laporte revisit their classic conversation about vitamin D—diving into the science, surprising updates, and practical tips for your health. Whether you've heard it before or are tuning in for the first time, this "blast from the past" is the perfect way to kick off 2026 with wisdom, laughs, and a little bit of eggnog recovery.
Read more at https://www.grc.com/health
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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What if your smart TV and Firefox extensions were secretly hijacking your security and privacy? This episode reveals the jaw-dropping discovery of a massive TV botnet and the surprisingly clever malware lurking behind innocent browser icons.
North Korea's profitable fixation on cryptocurrency.
Amazon uncovers a cryptomining sneaking into customer clouds.
Insecure Docker API servers are also hosting cryptominers.
A new and truly massive SmartTV-based botnet discovery.
DNS Benchmark's 4th release.
Who, besides Let's Encrypt, offers free automated certs.
Some interesting listener feedback.
And how a PNG Icon was used to infect 50,000 Firefox users
Show Notes - https://www.grc.com/sn/SN-1057-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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Australia's nationwide social media ban has put tech's age verification tools under the spotlight, exposing the flaws and privacy risks in today's facial detection systems and sparking worldwide debate about what's coming for the rest of us.
Home Depot's puzzling reluctance to close a bad hole.
GNOME's shell extension manager is unhappy with AI.
How attacks on open source repositories compares in 2025.
China's researchers have taken aim at the US power grid.
How bad has the React2Shell vulnerability turned out to be.
More new React vulnerabilities.
Apple moves to iOS 26.2.
Let's Encrypt's crosses into one billion servers managed.
A DNS Benchmark update.
Some interesting listener feedback, then...
How things going with Australia's social media ban and what we are learning
https://www.grc.com/sn/SN-1056-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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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.
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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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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.
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