Security Now!

AI-generated code is flooding the industry, but researchers reveal that almost half of it contains critical vulnerabilities. This week, we unpack what happens when the race for automation outpaces security best practices.
A possible means for preventing prompt injection abuse.
Clear evidence of Chinese-made router malicious intent.
A cool before and after SpinRite graph of SSD performance.
How about adding unpredictable hashes to role tags?
What did Claude make of last week's podcast?
Could much better harnesses prevent prompt injection?
A listener wants us to stop saying AI "thinks".
AI designers ignore well-understood security concepts.
Can we explain LLM AI using conventional computer terms?
A listener strongly dislikes the term "rotating credentials".
The land of AI is being filled with "meat proxies".
Researchers exhaustively test frontier model vulnerability remediation. (hint: It does not go well.)
Show Notes - https://www.grc.com/sn/SN-1094-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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Turns out, every chatbot conversation runs on a messy hack at the heart of language models, making prompt injection an unsolved—and possibly unsolvable—security threat. Steve and Leo unravel the research that explains why "roles" in AI aren't what you think they are.
Understanding the controversy surrounding "AI Model Distillation"
Anthropic moves to make their most powerful Mythos 5 model more widely available.
Bitwarden's "Secrets Manager" offering prevents agentic and prompt injection abuse.
The astounding and disturbing truth about the way conversation AI actually works
Show Notes - https://www.grc.com/sn/SN-1093-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 autocorrect to full-fledged conversationalists, discover how a few tweaks transformed language models—and why understanding this shift exposes urgent questions about AI safety and control.
Trusting an open source AI proxy might bite you.
France's under-15 social media ban hits its constitution.
A bit of AI prompting found a serious bug in Zoom.
AI-based network defenders see a stock price jump.
A (very) deep dive into the operation of AI chatbots
Show Notes - https://www.grc.com/sn/SN-1092-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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AI agents are breaking free from their test environments, outsmarting their creators and breaching real-world networks in ways that no one predicted. Discover how these agentic models are changing the game for both cyber offense and defense.
Anthropic's agentic AI also broke free and hacked others.
We know much (much!) more about the OpenAI breakout.
OpenAI posts that they're pausing "Astra" - even internally.
What was that about AI recently cracking (or denting) cryptography.
Bruce Schneier brilliantly equates AI agents to capricious genies.
Apple doesn't react so well to the new deluge of security reports.
Chrome 149 + 150 updates together fix 1,072 bugs. Yikes.
psSense's creator is working to finish its nfSensei, its successor
Show Notes - https://www.grc.com/sn/SN-1091-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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At Black Hat Las Vegas, the Security Now crew digs into how AI is not just finding hidden software bugs but also fueling both groundbreaking innovation and alarming new exploits. When open models can launch surprise Bitcoin heists, who draws the line between forbidden knowledge and genuine progress?
• Black Hat and DEF CON: Hacking Stories and Conference Culture
• Zoox Ride-Hailing Hack and Over-the-Air Vulnerabilities
• Autonomous Vehicles, AI, and the Security Implications
• Hosts Share Personal Adoption and Use of AI Tools
• AI-Powered Coding: From Hobbyists to Advanced Agency Chains
• Local Models vs. Cloud AI: Privacy, Cost, and Control
• App Development Democratized: Listeners Build Custom Solutions With AI
• Code Generation, Testing, and Managing AI-Driven Project Cycles
• AI's Role in Security: Vulnerability Discovery, Exploitation, and Patch Challenges
• Technical Debt and the Race to Patch Decades-Old Bugs
• The Dual-Use Dilemma: AI Tools for Both Attack and Defense
• Guardrails, Model Partitioning, and the Fight Over Forbidden Knowledge
• Open vs. Restricted AI: Global Models, Distillation, and Free Speech
• LLM Security Weaknesses: Prompt Injection and Role Confusion Exposed
• The Reliability Problem: Probabilistic AI and Non-Deterministic Software
• AI Progress: Public Perception, Skepticism, and "Hogwash" Rebuttals
• Reflections on AI's Fast Evolution and the Sci-Fi Reality Gap
• Closing Thoughts: Tech Community, Listener Feedback, and the Future of Security Now
Hosts: Steve Gibson, Leo Laporte, Richard Campbell, and Paul Thurrott
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 happens when an unconstrained OpenAI model goes rogue and hacks into Hugging Face, breaching real-world security boundaries? This episode unpacks a watershed moment for AI safety that has everyone in cybersecurity talking.
OpenAI's unconstrained internal testing AI got loose, attacked Hugging Face.
We hear from OpenAI, Hugging Face and Andrew Ng.
GRC went off the air Friday. Was GRC hacked? What happened?
The Linux kernel project repairs 442 CVEs in a single batch.
LG's PC monitors cause PC adware installation.
France bans all social media access below age 15.
WordPress' recent CRITICAL vulnerability claims victims.
Amazing details about "Rocky" from Andy Weir.
The new AI exploit ranking benchmark that caused the breakout
Show Notes - https://www.grc.com/sn/SN-1089-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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Cybercriminals are harnessing AI not to break in, but to make sense of their stolen loot and increase their leverage in multi-million dollar ransomware heists. This episode unpacks how AI is now turbocharging extortion and negotiations on the dark side.
The "bone crushing" didn't happen this month.
Revisiting and inspecting July's Patch Tuesday.
A widespread and worrisome flaw in OpenSSL.
Claude can now access your 1Password credentials.
Bitwarden is aware that we need whole new security.
The day ends in "y" so a new prompt injection attack.
A true (and rare) core Wordpress emergency update.
Lots of interesting listener feedback.
And new ways AI is being used by bad guys
Show Notes - https://www.grc.com/sn/SN-1088-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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AI is rewriting the rules of cybersecurity, and this week, massive government and private sector moves show just how quickly the stakes are rising. Find out how regulators, attackers, and defenders are all scrambling to keep up as vulnerabilities surface at record speed.
Europe warns their largest banks to prepare for AI attack.
The EU launches an action plan for AI Cybersecurity.
China considers keeping its budget AI to itself.
The UK's NCSC & GCHQ announce their "Cyber Shield".
CISA is using Mythos to audit U.S. government code.
Microsoft warns of their upcoming patch flood.
"RoguePlanet" receives an on-the-fly patch.
An underused mode to kid-proof an iPhone.
Listener feedback and three new AI attacks
HalluSquatting, GhostApproval & GitLost
Show Notes - https://www.grc.com/sn/SN-1087-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 the sudden retirement of Internet pioneer Vint Cerf to the unstoppable advance of "apex agentic adversaries," get a front-row seat to the unfolding security revolution and its massive real-world stakes.
Why Fable5's re-release has disappointed.
Opera becomes the first browser to offer "Paste Protect."
Microsoft BlueHammer exploit is "hammering" systems.
Industry legend (TCP creator) Vint Cerf on AI.
Chrome turns 150 with too many fixes to load.
Google fails to sidestep a $4.67 billion EU fine.
One last (we can hope) Chat Control vote next week.
AirDrop & Android Quick Share are exploitable.
How to bypass Claude's and ChatGPT's guardrails.
My own Sunday spin with SpinRite.
A legendary hacker uses AI on a widespread library
Show Notes - https://www.grc.com/sn/SN-1086-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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AI is now uncovering and fixing thousands of hidden software bugs faster than humans can keep up, but not everyone is playing by the rules. Find out how state-sponsored attackers and careless disclosures are turning the cybersecurity playbook upside down.
Win10's popularity forces another year of free updates.
CISA directs all federal agencies to update their UniFi OS devices.
CISA gave federal agencies "the weekend" to update Cisco devices.
Australia is disturbed by a deeply compromised infrastructure provider.
OpenAI introduces Daybreak-powered "Patch the Planet" initiative.
Meta's employee monitoring-for-AI-training backfired badly.
Script Kiddies figure out how to use AI to find vulnerabilities.
AI improves with "looping", "repeating" or "iterating".
A wonderful story about Kevin Mitnick.
Serious hackers mistakenly left a server directory accessible
Show Notes - https://www.grc.com/sn/SN-1085-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 flood of everyday gadgets, from cheap streaming boxes to digital photo frames, are being secretly conscripted into global proxy networks and used to mask major cyberattacks—possibly even targeting your own home network.
Worries of AI-power cyberattacks are spreading.
Mythos "missed some" important vulnerabilities in Firefox.
Every recent patch Tuesday Nightmare Eclipse has struck. What now?
Massive store of valid FortiGate VPN credentials found.
F5 issues emergency updates to their NGINX-based server offerings.
Introducing "AI Potpourri" -- deeply altering an AI's personality.
A close look at the explosion in malicious proxy networks.
A Canadian judge okayed the illegal removal of such infections
Show Notes - https://www.grc.com/sn/SN-1084-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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This episode unpacks the jaw-dropping surge in vulnerabilities unearthed by AI, revealing how Microsoft shattered its own patch records while adversaries and defenders race to outpace each other. The conversation gets real about whether AI is fixing our broken software or just making attacks easier for everyone.
Rootkits found in more than 400 ArchLinux User Repository packages.
The US government requests Anthropic to remove Mythos and Fable.
CISA responds to AI-driven attacks with new patching requirements.
NPM to switch to more secure install defaults. Will it help.
Our listeners react to last week's PHP commentary.
June shows that AI has arrived for vulnerability discover
Show Notes - https://www.grc.com/sn/SN-1083-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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Discover how Anthropic's secretive red team and the MITRE ATT&CK framework are mapping the chilling rise of malicious AI use, revealing cyber threats that now move faster than defenders can respond.
Was a U.S. law firm right to pay a $20 million ransom.
Could Cisco have yet another SD-WAN 0-day in the wild.
Why is it so difficult to author secure PHP code.
Teens use "WeedHack" to spy and attack each other.
Researchers create the first AI-enabled Internet worm.
Google Chrome pops-up "Shop with confidence." What...
The discovered and irresponsibly disclosed HTTP/2 Bomb.
What Anthropic learns from their past year of Claude abuse: It's bad
Show Notes - https://www.grc.com/sn/SN-1082-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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AI vulnerability discovery just upended the legendary Capture the Flag competitions, leaving top hackers sidelined while algorithms dominate the scoreboard. Hear why one seasoned researcher says the entire game is over for humans.
As expected, UnFiOS devices are under attack.
CISA commands federal agencies to update Drupal.
Can the largest botnet ever, be killed.
Defender endpoint can cutoff a PC from the network.
Charter Communications big account leak.
Chrome moves device-bound session cookies from beta.
Anthropic to release Mythos shortly.
cURL and Daniel Stenberg.
IBM & RedHat commit to fixing open source with AI.
LOTS of terrific listener feedback this week.
AI spells the end of a terrific source of training
Show Notes - https://www.grc.com/sn/SN-1081-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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Mozilla found 271 unknown Firefox vulnerabilities in days using AI—bugs that millions of automated test runs had missed for years. Steve Gibson argues this isn't a crisis. It's the industry finally paying down decades of security debt, and for the first time, defenders may have the advantage.
Cisco meets Mythos
Can the aging CVE system survive AI
Patch deployment latency in the AI age
MSFT's official YellowKey BitLocker bypass mitigation
Ubiquiti patches 5 serious vulnerabilities
Drupal attacked by a PostgreSQL injection
Microsoft terminates SMS as a second factor
GitHub hacked - all of its source code exfiltrated
Russia is using very old Western software
Why to get a no-charge AI chatbot account
New Sci-Fi on Netflix
What we learn from Mozilla's use of Mythos
Show Notes - https://www.grc.com/sn/SN-1080-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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OpenAI, Microsoft, and Google are racing to unleash next-gen AI that hunts for software vulnerabilities and hacks at scale. This episode explores how these advancements could shake up everything we thought we knew about cybersecurity.
Microsoft rethinks Edge's "intended behavior" after it gets press.
Chaotic Eclipse hacker strikes again with a Bitlocker bypass.
Google's threat analysis group documents malicious AI use.
Canada hasn't learned the lessons of the EU and the UK.
AI chatbots may be far more addictive than social media.
Project: Hail Mary now available to stream.
An apparently-serious zero-point quantum vacuum energy source.
A bit of listener feedback.
OpenAI's & Microsoft's vulnerability discovery systems
Show Notes - https://www.grc.com/sn/SN-1079-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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DigiCert's latest security mishap triggered not just a scramble behind the scenes, but a cascading crisis that briefly wiped trust from millions of Windows systems. Find out how a single support slip, followed by Microsoft's heavy-handed response, left critical infrastructures exposed.
The FCC decides router firmware updates are useful.
Netgear applies for and gets a full FCC pass.
AI uncovers a 21-year old critical FreeBSD RCE.
What was behind that Let's Encrypt outage.
AI model repositories are overflowing with malware.
The CISA 2015 info-sharing act is being renewed.
Edge leaves ALL usernames and passwords in the clear.
An examination of DigiCert's breach and their response
Show Notes - https://www.grc.com/sn/SN-1078-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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Google is sneaking a massive 4.7GB AI model into Chrome, and Mozilla is fighting back as the future of browsers threatens to turn into an AI arms race. Find out what's really happening behind this push and why it's setting off alarm bells across the web.
Hackers AI-code a portal, forget to add authentication.
The UK's NCSC issues a Mythos warning. Where's CISA?
Another (of many) Linux local privilege escalations.
AI may be spelling the end of bug bounties.
Anthropic releases "Claude Security" mini-Mythos.
ChatGPT gets very serious about login security.
Syncthing's SyncTrayzor v1 abandoned; v2 created.
Google drops an AI API into Chrome; Mozilla objects
Show Notes - https://www.grc.com/sn/SN-1077-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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What if your engineering calculations secretly sabotaged your nation's best efforts? This week, we reveal how a newly uncovered 21-year-old NSA rootkit quietly corrupted scientific research in hostile states and why it changes everything you think you know about cyberwarfare.
Bitwarden's CLI hit with a supply-chain attack.
Commercial routers in Iran fail shortly before the war.
Meta logging all employee activity to train replacement AI.
GRC's DNS Benchmark Release 5.
Two miscellaneous AI thoughts.
A bunch of terrific listener feedback.
Unraveling the diabolical history of "fast16.sys"
Show Notes - https://www.grc.com/sn/SN-1076-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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Security leaders warn the era of AI-driven bug hunting has arrived, with Mythos uncovering hundreds of overlooked vulnerabilities in code bases as trusted as Firefox. Are defenders ready for the avalanche of exploits and the frantic race to patch?
A disgruntled developer discloses multiple Windows 0-days.
Microsoft purchases its own bugs in massive campaign.
VeraCrypt & Wireshark suddenly lost their dev accounts.
A serious problem with re-captured domain names.
How might AI help to secure open source repositories.
A listener wonders what we thought of Project Hail Mary.
Cyber security professionals tell us What Mythos Means
Show Notes - https://www.grc.com/sn/SN-1075-Notes.pdf
Hosts: Steve Gibson and Leo Laporte
Download or subscribe to Security Now at https://twit.tv/shows/security-now.
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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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