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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A security podcast geared towards those looking to better understand security topics of the day. Hosted by Kurt Seifried and Josh Bressers covering a wide range of topics including IoT, application security, operational security, cloud, devops, and security news of the day. There is a special open source twist to the discussion often giving a unique perspective on any given topic.
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We're not talking dentistry here; FLOSS all about Free Libre Open Source Software. Join host Doc Searls and his rotating panel of co-hosts every Wednesday as they talk with the most interesting and important people in the Open Source and Free Software community.
Records live every Wednesday at 12:30pm Eastern / 9:30am Pacific / 17:30 UTC.
SN 1083: Patch Tuesday à la AI - Arch Linux Repo Under Siege
This 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 requirements.NPM to switch to more secure install defaults. Will it help.Our listeners react to last week's PHP commentary.June shows that AI has arrived for vulnerability discoverShow Notes - https://www.grc.com/sn/SN-1083-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: meter.com/securitynow canary.tools/twit - use code: TWIT joindeleteme.com/twit-biz zscaler.com/security adaptivesecurity.com
SN 1082: The Malicious Use of AI - Anthropic's Red Team Report
Discover 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 confidence." What...The discovered and irresponsibly disclosed HTTP/2 Bomb.What Anthropic learns from their past year of Claude abuse: It's badShow Notes - https://www.grc.com/sn/SN-1082-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: threatlocker.com for Security Now outsystems.com/twit guardsquare.com doppel.com cyberhoot.com/securitynow
SN 1081: AI Captured the Flag - Personal AI: Productivity Superpower or Privacy Threat?
AI vulnerability discovery just upended the legendary Capture the Flag competitions, leaving top hackers sidelined while algorithms dominate the scoreboard. Hear why one seasoned researcher says the entire game is over for humans.As expected, UnFiOS devices are under attack.CISA commands federal agencies to update Drupal.Can the largest botnet ever, be killed.Defender endpoint can cutoff a PC from the network.Charter Communications big account leak.Chrome moves device-bound session cookies from beta.Anthropic to release Mythos shortly.cURL and Daniel Stenberg.IBM & RedHat commit to fixing open source with AI.LOTS of terrific listener feedback this week.AI spells the end of a terrific source of trainingShow Notes - https://www.grc.com/sn/SN-1081-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 hoxhunt.com/securitynow zscaler.com/security material.security meter.com/securitynow
SN 1080: Vulnerability Debt Repayment - Will Mythos Change Cybersecurity Forever?
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 MythosCan the aging CVE system survive AIPatch deployment latency in the AI ageMSFT's official YellowKey BitLocker bypass mitigationUbiquiti patches 5 serious vulnerabilitiesDrupal attacked by a PostgreSQL injectionMicrosoft terminates SMS as a second factorGitHub hacked - all of its source code exfiltratedRussia is using very old Western softwareWhy to get a no-charge AI chatbot accountNew Sci-Fi on NetflixWhat we learn from Mozilla's use of MythosShow Notes - https://www.grc.com/sn/SN-1080-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 doppel.com cyberhoot.com/securitynow trustedtech.team/securitynow365 XBOW.com
SN 1079: Daybreak and Codename MDASH - Microsoft's Edge Password Blunder
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 far more addictive than social media.Project: Hail Mary now available to stream.An apparently-serious zero-point quantum vacuum energy source.A bit of listener feedback.OpenAI's & Microsoft's vulnerability discovery systemsShow Notes - https://www.grc.com/sn/SN-1079-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: outsystems.com/twit hoxhunt.com/securitynow zscaler.com/security meter.com/securitynow canary.tools/twit - use code: TWIT joindeleteme.com/twit promo code TWIT
SN 1078: DigiCert does it right - Hugging Face Under Fire
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 are overflowing with malware.The CISA 2015 info-sharing act is being renewed.Edge leaves ALL usernames and passwords in the clear.An examination of DigiCert's breach and their responseShow Notes - https://www.grc.com/sn/SN-1078-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
SN 1077: A Browser AI API? - End of Bug Bounties?
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" mini-Mythos.ChatGPT gets very serious about login security.Syncthing's SyncTrayzor v1 abandoned; v2 created.Google drops an AI API into Chrome; Mozilla objectsShow Notes - https://www.grc.com/sn/SN-1077-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: zscaler.com/security meter.com/securitynow bitwarden.com/twit hoxhunt.com/securitynow trustedtech.team/securitynow365
SN 1076: FAST16.SYS - Unmasking the NSA's Most Diabolical Digital Sabotage
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 thoughts.A bunch of terrific listener feedback.Unraveling the diabolical history of "fast16.sys"Show Notes - https://www.grc.com/sn/SN-1076-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 threatlocker.com/twit material.security cyberhoot.com/securitynow guardsquare.com
SN 1075: Yes. Exactly. - The Zero-Day Ticking Clock
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 open source repositories.A listener wonders what we thought of Project Hail Mary.Cyber security professionals tell us What Mythos MeansShow Notes - https://www.grc.com/sn/SN-1075-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: canary.tools/twit - use code: TWIT joindeleteme.com/twit promo code TWIT hoxhunt.com/securitynow meter.com/securitynow zscaler.com/security
SN 1074: What Mythos Means - Marketing or Mayhem
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.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 hoxhunt.com/securitynow zscaler.com/security
SN 1073: The FCC Bans New Consumer Routers - LinkedIn's JavaScript Bombshell
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.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 vibe-coded SaaS replacements.More information about nasty ClickFix campaigns.More than one in seven Reddit postings are an AI-bot.The story behind the LiteLLM disaster that was avertedShow Notes - https://www.grc.com/sn/SN-1073-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: meter.com/securitynow zscaler.com/security material.security bitwarden.com/twit hoxhunt.com/securitynow
SN 1072: LiteLLM - Click Fix Attacks Surge
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 vibe-coded SaaS replacements.More information about nasty ClickFix campaigns.More than one in seven Reddit postings are an AI-bot.The story behind the LiteLLM disaster that was averted.Show Notes - https://www.grc.com/sn/SN-1072-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: threatlocker.com/twit adaptivesecurity.com guardsquare.com meter.com/securitynow
SN 1071: Bucketsquatting - Meta and TikTok's Tracking Pixels
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 the return of Telegram, WhatsApps and others.Never connect your crypto-wallet to an unknown service.What would a week be without a Cisco CVSS of 10.0.Ubiquiti patches a 10.0 critical flaw.Listener feedback and...What's "Bucketsquatting" and what can be done to prevent itShow Notes - https://www.grc.com/sn/SN-1071-Notes.pdfHosts: Steve Gibson and Mikah SargentDownload 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: hoxhunt.com/securitynow guardsquare.com outsystems.com/twit zscaler.com/security
SN 1070: CISA's Free Internet Scanning - Malware Disguised as a VPN
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 is becoming a big deal.Meta buys the Moltbook duo.The EU gives up and settles upon the status quo.When a ransomware negotiation is not what it seems.CISA compels federal agencies to submit their logs.Is that a VPN in your pocket or something more malicious.Be careful what you download, thinking it's AI.A super-clever and super-simple A/V scanner bypass.Will AI write code for me?Another listener discovers the Joy of AI.Steve's CISA Internet scanning experienceShow Notes - https://www.grc.com/sn/SN-1070-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 promo code TWIT material.security canary.tools/twit - use code: TWIT adaptivesecurity.com meter.com/securitynow
SN 1069: You can't hide from LLMs - Was Your Smart TV a Stealth Proxy?
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 won't encrypt messaging for visibility.Microsoft bans the term "Microslop" on Discord.Lot's of great listener feedback.LLMs could make Orwell's 1984 seem optimistic.Show Notes - https://www.grc.com/sn/SN-1069-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 zscaler.com/security guardsquare.com hoxhunt.com/securitynow