Security Now!

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.
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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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.
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 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.
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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We may already be living through the most consequential hundred days in cyber history, and the arrival of AI that can autonomously chain zero-day vulnerabilities into working exploits means the software industry's long-standing "ship it and patch it later" era is officially over.
Show Notes - https://www.grc.com/sn/SN-1074-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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The FCC has banned all new consumer routers made outside the US, leaving networks stuck with aging, insecure hardware while blocking innovation. Find out why this sweeping move is raising eyebrows and lawsuits—and why it makes zero sense for cybersecurity.
Apple's 26.4 age queries catches many by surprise.
LinkedIn's 2.7 MB of privacy-invading javascript.
Microsoft starts forcing Win11 24H2 to 25H2.
Cisco loses source code to the Trivy supply-chain mess.
Proton introduces privacy-first voice and video "Meet."
GitHub to fix lagging security of its Actions feature.
Cloudflare reaffirms the privacy of its 1.1.1.1 DNS.
Cloudflare uses AI to re-code better secure Wordpress.
The FCC drops a ban on all new consumer-grade routers.
Show Notes - https://www.grc.com/sn/SN-1073-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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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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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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