Security NowRanked number 2 in the Top 15
TWiT
Show details
- Cadence
- Weekly
- Typical episode
- ~2 hr 50 min
- Established
- Since 2005
- Latest episode
- Oct 21, 2026
Cybersecurity guru Steve Gibson joins Leo Laporte every Tuesday. Steve and Leo break down the latest cybercrime and hacking stories, offering a deep understanding of what's happening and how to protect yourself and your business. Security Now is a must listen for security professionals every week. You can join Club TWiT https://twit.tv/clubtwit (opens in a new tab) for $10 per month and get ad-free audio and video feeds for all our shows plus everything else the club offers...or get just this podcast https://twit.memberful.com/checkout?plan=134288 (opens in a new tab) ad-free for $5 per month. New episodes every Tuesday.
Classification
Level
IntermediatelevelLatest episodes
- SN 1101: ECDSA's Curves Origins - When AI Becomes the AttackerOct 21, 2026Episode length: · 2:31:36An 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…
- SN 1100: Booby Trapping LLMs - AI Frenzy in CybercrimeOct 14, 2026Episode length: · 2:49:02Think 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…
- SN 1099: An Alien Mind - From RSA Weakness to Agentic AttacksOct 7, 2026Episode length: · 3:03:15As 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…
- SN 1098: How worried should we be? - Unpredictable AgentsSep 30, 2026Episode length: · 2:42:18With 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…
- SN 1097: Mega Patch Tuesday Fallout - When AI Outsmarts Its MakersSep 23, 2026Episode length: · 2:50:02After 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…
- SN 1096: Are we the Krell? - 153 Million Driver's Licenses LeakedSep 16, 2026Episode length: · 2:50:47Are 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.…
- SN 1095: AI-Driven Expertise Loss - Gemini, Hugging Face, and the AI Arms RaceSep 9, 2026Episode length: · 3:06:06OpenAI'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…
- SN 1094: AI Patching Shortcomings - Should You Trust AI-Generated Code?Sep 2, 2026Episode length: · 2:51:59AI-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…
- SN 1093: Tokens in the Stream - Why LLMs are inherently insecure and prompt injection will persistAug 26, 2026Episode length: · 2:48:10Turns 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.…
- SN 1092: Restraint Abliteration - Rotating Keys, Broken GuardrailsAug 19, 2026Episode length: · 2:49:05From 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 -…
- SN 1091: The Post BlackHat State of AI - When AI Writes MalwareAug 12, 2026Episode length: · 2:51:12AI 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…
- SN 1090: Black Hat - The Hidden Flaws in AI Security Nobody Saw ComingAug 6, 2026Episode length: · 2:05:11At 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…
- SN 1089: Models Go Rogue & ExploitGym - Regulators, Start Your EnginesJul 29, 2026Episode length: · 3:07:56What 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…
- SN 1088: A Nefarious Novel Use for AI - Ransomware Negotiations Go High-TechJul 22, 2026Episode length: · 2:47:29Cybercriminals 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…
- SN 1087: HalluSquatting, GhostApproval & GitLost - Patch Tuesday Breaks RecordsJul 15, 2026Episode length: · 2:48:51AI 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…
- SN 1086: The Apex Agentic Adversary - Visual Prompt Injection StrikesJul 8, 2026Episode length: · 2:53:23From 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…
- SN 1085: A SOTA State-Sponsored Campaign - AI's New Superpower: Loop EngineeringJul 1, 2026Episode length: · 2:50:15AI 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…
- SN 1084: The Residential Proxy Threat - Malicious Proxies in Your Living RoomJun 24, 2026Episode length: · 2:47:32A 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…
- SN 1083: Patch Tuesday à la AI - Arch Linux Repo Under SiegeJun 17, 2026Episode length: · 2:36:20This 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…
- SN 1082: The Malicious Use of AI - Anthropic's Red Team ReportJun 10, 2026Episode length: · 2:37:27Discover 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…
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