Security Now

Steve Gibson, the man who coined the term spyware and created the first anti-spyware program, creator of SpinRite and ShieldsUP, discusses the hot topics in security today with Leo Laporte.

Records live every Tuesday at 4:30pm Eastern / 1:30pm Pacific / 21:30 UTC.

  • by TWiT
    An unreleased AI solved a 26-year-old cryptographic secret in less than half an hour, exposing the origins of a widely used standard. Discover what this jaw-dropping breakthrough means for the future of trust and transparency in cybersecurity. Another record smashing Patch Tuesday. But again, all those updates were not without consequences. Palo Alto Networks' Unit 42 reports on an agentic attack. A mass-compromised hardware cryptocurrency wallet attack. How to create your own known-safe crypto wallet. Feedback about AI, coding and SpinRite from a listener. What the reverse-engineering of the ECDSA curves means for security Show Notes – https://www.grc.com/sn/SN-1101-Notes.pdf Hosts: Steve […]
  • by TWiT
    Think your open-source AI model is safe? This episode uncovers how LLMs can be secretly booby-trapped with undetectable backdoors, raising the stakes for anyone deploying AI in serious environments. Anthropic cuts live Internet access during testing. Will LLM technology turn out to be an uncontrollable dead end? What alternative AI technologies are underway? Anthropic offers free AI vulnerability scanning for open source. South Korean banks hit by Claude-driven cyberattacks. Japan declares a state of cyber-emergency due to attacks. For one listener, agentic coding has taken the joy out of coding. A listener is having way too much fun with AI […]
  • by TWiT
    As AI becomes startlingly capable, top minds at OpenAI admit they can't always control what their own creations do—or even fully understand how they think. This episode dives into the real-world tension between rapid progress and the growing challenge of keeping AI truly aligned. GLM-5.3 can be and has been abliterated. What does that mean? Firefox 157 repairs a large number of high-impact vulnerabilities. A surprising reduction in RSA crypto strength has been discovered. Powerful agentic AI is being used to attack merchants. A new and potent Spectre-style processor attack has been designed. A neighbor falls victim to a Bitcoin […]
  • by TWiT
    With millions racing to embrace AI assistants and cybercriminals pivoting to new, high-stakes tactics, the episode tackles the dizzying pace of change and asks: just how worried should we be? The discussion pulls back the curtain on AI's unpredictable power, the escalation of digital extortion, and why the next breach may hit closer to home than you think. Muse has a bad 0-day The regularity of "Irregular" More rogue OpenAI breaches The Seven Deadly Sins (TSDS) hacker group Liquified Natural Gas (LNG) cargo ship hacked The FBI offended ShinyHunters's delicate sensibilities Canonical switches to an every–2-weeks release cadence Axios' AI […]
  • by TWiT
    After Microsoft's historic Mega Patch Tuesday, enterprise IT teams worldwide are scrambling as a wave of updates triggers system meltdowns, broken domains, and silent Excel failures. Find out how AI-driven speed collided with real-world chaos. Andrew Ng weighs-in on AI Doomsaying. The wisdom of outsourcing AI security testing. The true risk of an AI-created bioweapon. The EU KIDS Act — this one is even messier. "Nightmare Eclipse" finally unmasks himself. A whitehat firm used Claude to attack OpenAI. Cisco's own massive 77 CVE update. What was the fallout from Sept's Patch Tuesday Show Notes – https://www.grc.com/sn/SN-1097-Notes.pdf Hosts: Steve Gibson and […]
  • by TWiT
    Are we charging toward a Krell-style catastrophe with AI, arming ourselves with incomprehensible power while missing the real risks lurking beneath the code? The full report on last week's nearly 1,000 Microsoft security fixes. Five months after its start, what's the status of Project Glasswing? Anthropic's rogue agent escape count reaches four incidents. Not to be outdone, OpenAI's count passes 10 and maybe as many as 23! Revisiting California's DROP compulsory data broker data deletion. Russian criminals get their hands on more than 153 million drivers license scans. "Skynet" is the wrong model for the end of the world. The […]
  • by TWiT
    OpenAI's latest advances have the rumor mill buzzing about "hidden thoughts" and unsupervisable models, but are AI safety experts panicking over the wrong threat? Get the clear-headed take behind the headlines. We start out with a classic old school hack against Dropbox. Next Patch Tuesday will be enabling "Memory Integrity" for many. Firefox moved to 155 and obtained a dumb Smart Window. CISA is terminating 6 most valuable cybersecurity services. OpenAI advanced to topof the heap with GPT-6 Astra. But… is it now hiding some of its thinking from monitoring? Nvidia is acquiring Hugging Face. Who's that good for? Google […]
  • by TWiT
    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 […]

Similar Posts