security

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 decid...

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 authe...

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 wit...

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...

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:...

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 su...

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 th...

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 sof...

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 w...

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...

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 no...

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 ...

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 ...

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 t...

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 t...

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. Microso...

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 cybercri...

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...

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" intercepti...

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 provi...