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...
May 27, 2026•2 hr 44 min•Ep. 1080
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 fa...
May 20, 2026•2 hr 52 min•Ep. 1079
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 ar...
May 13, 2026•2 hr 41 min•Ep. 1078
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" mi...
May 06, 2026•2 hr 35 min•Ep. 1077
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 thought...
Apr 29, 2026•2 hr 35 min•Ep. 1076
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 op...
Apr 22, 2026•2 hr 40 min•Ep. 1075
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 GR...
Apr 15, 2026•2 hr 51 min•Ep. 1074
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...
Apr 08, 2026•2 hr 52 min•Ep. 1073
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 v...
Apr 01, 2026•2 hr 49 min•Ep. 1072
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 t...
Mar 25, 2026•2 hr 48 min•Ep. 1071
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 i...
Mar 18, 2026•2 hr 46 min•Ep. 1070
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 wo...
Mar 11, 2026•2 hr 44 min•Ep. 1069
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...
Mar 05, 2026•52 min•Ep. 1068
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 ...
Mar 03, 2026•2 hr 53 min•Ep. 1067
