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.
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Records live every Wednesday at 12:30pm Eastern / 9:30am Pacific / 17:30 UTC.
SN 1101: ECDSA's Curves Origins - When AI Becomes the Attacker
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 securityShow Notes - https://www.grc.com/sn/SN-1101-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: bitwarden.com/twit joindeleteme.com/twit-biz threatlocker.com/twit canary.tools/twit - use code: TWIT guardsquare.com
SN 1100: Booby Trapping LLMs - AI Frenzy in Cybercrime
Hosts: Steve Gibson and Leo LaporteThink 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 and Halloween.Some listeners believe I'm downplaying the dangers of AI.We carefully examine the consequences of maliciously trained AIShow Notes - https://www.grc.com/sn/SN-1100-Notes.pdf Sponsors: threatlocker.com/twit hoxhunt.com/securitynow originhq.com/securitynow trustedtech.team/twit
SN 1099: An Alien Mind - From RSA Weakness to Agentic Attacks
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 scam. What can be done?A new and surprising use was found for GRC's DNS Benchmark.An examination of the growing alignment challenges created by more intelligent AIShow Notes - https://www.grc.com/sn/SN-1099-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: guardsquare.com bitwarden.com/twit threatlocker.com/twit doppel.com material.security
SN 1098: How worried should we be? - Unpredictable Agents
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-dayThe regularity of "Irregular"More rogue OpenAI breachesThe Seven Deadly Sins (TSDS) hacker groupLiquified Natural Gas (LNG) cargo ship hackedThe FBI offended ShinyHunters's delicate sensibilitiesCanonical switches to an every–2-weeks release cadenceAxios' AI 101: AI Explainer for normal peopleHow worried should we be?Show Notes - https://www.grc.com/sn/SN-1098-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: originhq.com/securitynow threatlocker.com/twit doppel.com
SN 1098: How worried should we be? - Unpredictable Agents
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-dayThe regularity of "Irregular"More rogue OpenAI breachesThe Seven Deadly Sins (TSDS) hacker groupLiquified Natural Gas (LNG) cargo ship hackedThe FBI offended ShinyHunters's delicate sensibilitiesCanonical switches to an every–2-weeks release cadenceAxios' AI 101: AI Explainer for normal peopleHow worried should we be?Show Notes - https://www.grc.com/sn/SN-1098-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: originhq.com/securitynow threatlocker.com/twit doppel.com
SN 1097: Mega Patch Tuesday Fallout - When AI Outsmarts Its Makers
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 TuesdayShow Notes - https://www.grc.com/sn/SN-1097-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: trustedtech.team/twit hoxhunt.com/securitynow rayneo.com guardsquare.com threatlocker.com/twit outsystems.com/twit
SN 1097: Mega Patch Tuesday Fallout - When AI Outsmarts Its Makers
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 TuesdayShow Notes - https://www.grc.com/sn/SN-1097-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: trustedtech.team/twit hoxhunt.com/securitynow rayneo.com guardsquare.com threatlocker.com/twit outsystems.com/twit
SN 1097: Mega Patch Tuesday Fallout - When AI Outsmarts Its Makers
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 TuesdayShow Notes - https://www.grc.com/sn/SN-1097-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: trustedtech.team/twit hoxhunt.com/securitynow rayneo.com guardsquare.com threatlocker.com/twit outsystems.com/twit
SN 1096: Are we the Krell? - 153 Million Driver's Licenses Leaked
Are we charging toward a Krell-style catastrophe with AI, arming ourselves with incomprehensible power while missing the real risks lurking beneath the code?Worried Anthropic researchers warn that AI 'could kill all humans'Anthropic Researchers Raise Alarm Over A.I. Acceleration, Warning of Threat to HumanityCountering misuse of AI: September 2026 / AnthropicPluralistic: LLMs are real, AI is fake (12 Sep 2026) – Pluralistic: Daily links from Cory DoctorowNew Apple Watches to get Siri AI 'Recaps' feature similar to AI wearablesApple Unveils the iPhone Duo, a Foldable Phone That Costs $1,999Key App Developers Have Yet to Embrace Apple's New Siri A.I.Why this month's Microsoft patch release is a doozyLG TV shown scanning LAN for third-party phones and other devicesLG's ResponseThe Flock backlash is coming for retailAutomobile Camouflage to Hide from Flock CamerasA Secretive DHS 'Predictive Policing' Unit is Analyzing Americans' Financial Habits and Pulling Them OverClearview AI Is Testing an AI Tool That Would Let Cops Unearth Your Life OnlineSome of Dyson's $500 toothbrushes are breakingiRobot unveils the Roomba DuoHusqvarna gets the first exception to the FCC's foreign robot ban for its mowers.Show Notes - https://www.grc.com/sn/SN-1096-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: joindeleteme.com/twit-biz bitwarden.com/twit material.security canary.tools/twit - use code: TWIT threatlocker.com/twit
SN 1096: Are we the Krell? - 153 Million Driver's Licenses Leaked
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 right model is The KrellShow Notes - https://www.grc.com/sn/SN-1096-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: trustedtech.team/twit joindeleteme.com/twit-biz bitwarden.com/twit material.security canary.tools/twit - use code: TWIT threatlocker.com/twit
SN 1096: Are we the Krell? - 153 Million Driver's Licenses Leaked
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 right model is The KrellShow Notes - https://www.grc.com/sn/SN-1096-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: trustedtech.team/twit joindeleteme.com/twit-biz bitwarden.com/twit material.security canary.tools/twit - use code: TWIT threatlocker.com/twit
SN 1095: AI-Driven Expertise Loss - Gemini, Hugging Face, and the AI Arms Race
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 releases Gemini 3.8 Flash and Cyber. Is it good?Chinese cyberespionage is using AI to become more slippery.Matthew Green proposes a fascinating take on AI bug drought.A lifelong safety engineer contemplates AI-driven loss of expertise.Show Notes - https://www.grc.com/sn/SN-1095-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: doppel.com hoxhunt.com/securitynow guardsquare.com threatlocker.com/twit
SN 1095: AI-Driven Expertise Loss - Gemini, Hugging Face, and the AI Arms Race
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 releases Gemini 3.8 Flash and Cyber. Is it good?Chinese cyberespionage is using AI to become more slippery.Matthew Green proposes a fascinating take on AI bug drought.A lifelong safety engineer contemplates AI-driven loss of expertise.Show Notes - https://www.grc.com/sn/SN-1095-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: doppel.com hoxhunt.com/securitynow guardsquare.com threatlocker.com/twit
SN 1095: AI-Driven Expertise Loss - Gemini, Hugging Face, and the AI Arms Race
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 releases Gemini 3.8 Flash and Cyber. Is it good?Chinese cyberespionage is using AI to become more slippery.Matthew Green proposes a fascinating take on AI bug drought.A lifelong safety engineer contemplates AI-driven loss of expertise.Show Notes - https://www.grc.com/sn/SN-1095-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: doppel.com hoxhunt.com/securitynow guardsquare.com threatlocker.com/twit
SN 1094: AI Patching Shortcomings - Should You Trust AI-Generated Code?
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 using conventional computer terms?A listener strongly dislikes the term "rotating credentials".The land of AI is being filled with "meat proxies".Researchers exhaustively test frontier model vulnerability remediation. (hint: It does not go well.)Show Notes - https://www.grc.com/sn/SN-1094-Notes.pdfHosts: Steve Gibson and Leo LaporteDownload 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.Join Club TWiT for Ad-Free Podcasts! Support what you love and get ad-free audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit Sponsors: bitwarden.com/twit outsystems.com/twit threatlocker.com/twit doppel.com