Security Now (Audio)

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. Records live every Tuesday at 4:30pm Eastern / 1:30pm Pacific / 20:30 UTC.

Website : https://twit.tv/shows/security-now

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Last Episode : September 10, 2025 3:05am

Last Scanned : 3.3 hours ago

Episodes

Episodes currently hosted on IPFS.

SN 1042: Letters of Marque - 1.1.1.1 Certificate Snafu
Verifying 1
Is the U.S. on the verge of legalizing "hack back" missions, turning private companies into sanctioned cyber warriors? Steve and Leo unpack Google's plan for a cyber disruption unit and why the lines between defense and digital retaliation are suddenly blurring. My experience with 'X' vs email. Google TIG blackmailed to fire two security researchers. 1.1.1.1 DNS TLS certificate mis-issued. Artists blackmailed with threats of training AI on their art. Firefox extended end-of-life for Windows 7 to next March. Is the renewal of cybersecurity info sharing coming soon. Should security analysis be censored due to vibe-coding. UK versus Apple may not be settled after all. Another very serious supply chain attack. Can the software supply-chain ever be trustworthy. Why did BYTE Magazine die. What happens if Google and others go on the attack Show Notes - https://www.grc.com/sn/SN-1042-Notes.pdf Hosts: Steve Gibson and Leo Laporte Download 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 shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit Sponsors: uscloud.com canary.tools/twit - use code: TWIT bigid.com/securitynow zscaler.com/security expressvpn.com/securitynow
Expires in 43 hours
Published Wednesday
SN 1041: Covering All the Bases - SHAKEN Networks, Uncontrollable AI, and Robocall Reckoning
1
When even the Department of Defense can't properly vet its software dependencies, what chance do the rest of us have? Steve Gibson reveals how "fast-glob" became a case study in supply chain blindness, explores whether AI can ever truly be controlled after Meta's celebrity chatbot disaster, and celebrates BYTE Magazine's 50th anniversary with a look at how far we've come (and how vulnerable we still are). A look back at issue #1 of BYTE magazine exactly 50 years ago The enforcement of the SHAKEN & STIR Telecom protocols Breaking: Judge rules against forced Google divestitures in monopoly case The inherent danger of consolidating authentication Can AI be controlled? Vivaldi says a big "no" to AI-enhanced web browsers How WhatsApp figured into Apple's recent 0-day attacks Leveraging AI as an attack aid The latest TransUnion data breach Two scummy websites sue the UK over age requirements OpenSSH reminds its users to adopt post-quantum crypto The DOD uses open source maintained by a Russian national Much great feedback from our terrific listeners Sci-Fi news from "The Frontiers Saga" Ryk Brown Show Notes - https://www.grc.com/sn/sn-1041-notes.pdf Hosts: Steve Gibson and Leo Laporte Download 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 shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit Sponsors: go.acronis.com/twit threatlocker.com/twit bitwarden.com/twit bigid.com/securitynow joindeleteme.com/twit promo code TWIT
Published 09/03
SN 1040: Clickjacking "Whac-A-Mole" - Inside the Password Manager Clickjacking Frenzy and What It Means
1
Alarm bells are ringing over a supposed browser zero-day, but is the threat as bad as it sounds? Steve reveals why "clickjacking" might be more whac-a-mole than breaking news, and what that really means for your passwords. • Germany may soon outlaw ad blockers • What's happening in the courts over AI • The U.K. drops its demands of Apple • New Microsoft 365 tenants being throttled • Is Russia preparing to block Google Meet? • Bluesky suspends its service in Mississippi • How to throttle AI • A tricky SSH-busting Go library • Here comes the Linux desktop malware • Apple just patched a doozy of a vulnerability • A trivial Docker escape was found and fixed • Why the recent browser 0-day clickjacking is really just whac-a-mole Show Notes - https://www.grc.com/sn/sn-1040-notes.pdf Hosts: Steve Gibson and Leo Laporte Download 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 shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit Sponsors: 1password.com/securitynow zscaler.com/security bigid.com/securitynow uscloud.com
Published 08/27
SN 1039: The Sad Case of ScriptCase - Data Brokers Dodge Deletion
1
What AI website summaries mean for Internet economics. Time to urgently update Plex Servers (again). Allianz Life stolen data gets leaked. Chrome test Incognito-mode fingerprint script blocking. Chrome 140 additions coming in 2 weeks. Data brokers hide opt-out pages from search engines. Secure messaging changes in Russia. NIST rolls-out lightweight IoT crypto. SyncThing moves to v2.0 and beyond. Alien:Earth -- first take. What can we learn from another critical vulnerability? Show Notes - https://www.grc.com/sn/SN-1039-Notes.pdf Hosts: Steve Gibson and Leo Laporte Download 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 shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit Sponsors: threatlocker.com/twit bitwarden.com/twit go.acronis.com/twit joindeleteme.com/twit promo code TWIT vanta.com/SECURITYNOW
Published 08/20
SN 1038: Perplexity's Duplicity - Malicious Repository Libraries
1
CISA's Emergency Directive to ALL Federal agencies re: SharePoint. NVIDIA firmly says "no" to any embedded chip gimmicks. Dashlane is terminating its (totally unusable) free tier. Malicious repository libraries are becoming even more hostile. The best web filter (uBlock Origin) comes to Safari. The very popular SonicWall firewall is being compromised. >100 models of Dell Latitude and Precision laptops are in danger. The significant challenge of patching SharePoint (for example). A quick look at my DNS Benchmark progress. Does InControl prevent an important update. An venerable Sci-Fi franchise may be getting a great new series. What to do about the problem of AI "website sucking" Show Notes - https://www.grc.com/sn/SN-1038-Notes.pdf Hosts: Steve Gibson and Leo Laporte Download 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 shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit Sponsors: zscaler.com/security canary.tools/twit - use code: TWIT uscloud.com go.acronis.com/twit
Published 08/13
SN 1037: Chinese Participation in MAPP - Why Signal is Leaving Australia
1
A follow-up to the SharePoint server patch mess. How Russia arranges to spy on other country's local embassies. "Dropbox Passwords" manager app is ending in October. Signal will leave Australia rather than help spy. YouTube deploys viewing history age-estimation heuristics. Chrome adds clever lightweight extension signing to prevent abuse. A domain registrar is coming close to losing its rights. A TP-Link router that doesn't encrypt its configuration. What is "TruAge" and might it be useful for age verification. An update on "Artemis". With U.S.-China tensions on the rise, should Chinese security companies receive weeks of advance notice of forthcoming Microsoft flaw patches? Show Notes - https://www.grc.com/sn/SN-1037-Notes.pdf Hosts: Steve Gibson and Leo Laporte Download 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 shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit Sponsors: bitwarden.com/twit bigid.com/securitynow joindeleteme.com/twit promo code TWIT Melissa.com/twit threatlocker.com for Security Now
Published 08/06
SN 1036: Inside the SharePoint 0-day - Is Our Data Safe Anywhere?
1
Brave randomizes its fingerprints. The next Brave will block Microsoft Recall by default. Clorox sues its IT provider for $380 million in damages. 6-month Win10 ESU offers are beginning to appear. Warfare has significantly become cyber. Allianz Life loses control of 125 million customers' data. The CIA's Acquisition Research Center website was hacked. The Pentagon says the SharePoint RCE didn't get them. A look at a DPRK "laptop farm" to impersonate Americans. FIDO's passkey was NOT bypassed by a MITM after all. Is our data safe anywhere? The UK is trying to back-pedal out of the Apple ADP mess. Meanwhile, the EU resumes its push for "Chat Control". Microsoft fumbled the patch of a powerful Pwn2Own exploit Show Notes - https://www.grc.com/sn/SN-1036-Notes.pdf Hosts: Steve Gibson and Leo Laporte Download 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 shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit Sponsors: canary.tools/twit - use code: TWIT threatlocker.com for Security Now bitwarden.com/twit uscloud.com
Published 07/30
SN 1035: Cloudflare's 1.1.1.1 Outage - Bypassing Passkey Protections
1
Bypassing all passkey protections. The ransomware attacks just keep on coming. Cloudflare capitulates to the MPA and starts blocking. The need for online age verification is exploding. Microsoft really wants Exchange Servers to subscribe. Russia (further) clamps down on Internet usage. The global trend toward more Internet restrictions. China can inspect locked Android phones. Use a burner. Web shells are the new buffer overflow. An age verification protocol sketch. What Cloudflare did to create an outage of 1.1.1.1 Show Notes - https://www.grc.com/sn/SN-1035-Notes.pdf Hosts: Steve Gibson and Leo Laporte Download 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 shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit Sponsors: zscaler.com/security 1password.com/securitynow go.acronis.com/twit
Published 07/23
SN 1034: Introduction to Zero-Knowledge Proofs - Taking Down Quantum Factorization
1
A glorious takedown of quantum factorization. Notepad++ signs its own code signing certificate. Dennis Taylor has Bobiverse Book 6 on his lap. Crypto/ATM machines flat out outlawed. Signal vs WhatsApp: Encryption in flight and at rest. A close look at browser fingerprinting metrics. Rewriting interpreters in memory-safe languages. An introduction to zero-knowledge proofs Show Notes - https://www.grc.com/sn/SN-1034-Notes.pdf Hosts: Steve Gibson and Leo Laporte Download 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 shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit Sponsors: bitwarden.com/twit joindeleteme.com/twit promo code TWIT bigid.com/securitynow threatlocker.com for Security Now uscloud.com
Published 07/16
SN 1032: Pervasive Web Fingerprinting - How Websites Tracks You Despite Cookie Blocks
1
• Let's Encrypt drops its long-running email notifications. • Microsoft's new "Unexpected Restart Experience". • Microsoft's response to last year's massive CrowdStrike outage. • Windows 10's extended service updates will sort of be free. • Russia-sold iPhones MUST include the RuStore app. • Lyon, in France, says bye-bye to Windows. Hello to Linux. • The US Gov gets more serious about memory-safe languages. • A new unbelievable AI malware scanner evaSion technique. • A new pair of Cisco 9.8 and 10.0 vulnerabilities. • The current state of post-Elon government cybersecurity. • PNGv3, Swift on Android, and the Samsung email purge. • Andy Weir's "Hail Mary" movie trailer. • And a close look at the pervasiveness of web browser tracking fingerprinting. Show Notes - https://www.grc.com/sn/sn-1032-notes.pdf Hosts: Steve Gibson and Leo Laporte Download 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 shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit Sponsors: go.acronis.com/twit bitwarden.com/twit threatlocker.com/twit joindeleteme.com/twit promo code TWIT
Published 07/02
SN 1031: How Salt Typhoon Gets In - What "AI" Really Means
1
China's Salt Typhoon claims another victim (or two). State healthcare portals are tracking and leaking. No kidding. Apple adopts FIDO's Passkeys and other credentials transport. Facebook gets Passkey logon. TikTok continues ticking for at least another 90 days. Canadian telco admits they were infiltrated by Salt Typhoon. Microsoft to remove unwanted (and hopefully unneeded) hardware drivers. The Austrian government legislates court-warranted message decryption. I (Steve) finally get full clarity on what today's "AI" means. A deep dive into the Salt Typhoon's operation and how they got in Show Notes - https://www.grc.com/sn/SN-1031-Notes.pdf Hosts: Steve Gibson and Leo Laporte Download 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 shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit Sponsors: 1password.com/securitynow hoxhunt.com/securitynow outsystems.com/twit bigid.com/securitynow zscaler.com/security
Published 06/25
SN 1030: Internet Foreground Radiation - The NPM Repository is Under Siege
1
An exploited iOS iMessage vulnerability Apple denies? The NPM repository is under siege with no end in sight. Were Comcast and Digital Realty compromised? Don't ask them. Matthew Green agrees: XChat does not offer true security. We may know how Russia is convicting Telegram users. Microsoft finally decides to block two insane Outlook file types. 40,000 openly available video camera are online. Who owns them? Running SpinRite on encrypted drives. An LLM describes Steve's (my) evolution on Microsoft security. What do we know about the bots that are scanning the Internet? Show Notes - https://www.grc.com/sn/SN-1030-Notes.pdf Hosts: Steve Gibson and Leo Laporte Download 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 shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit Sponsors: joindeleteme.com/twit promo code TWIT bitwarden.com/twit material.security drata.com/securitynow bigid.com/securitynow
Published 06/18