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 : July 30, 2025 3:29am

Last Scanned : 3.6 hours ago

Episodes

Episodes currently hosted on IPFS.

SN 1036: Inside the SharePoint 0-day - Is Our Data Safe Anywhere?
Confirmed 2
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
Expires in 27 hours
Published Wednesday
SN 1035: Cloudflare's 1.1.1.1 Outage - Bypassing Passkey Protections
2
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
2
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
2
• 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
2
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
2
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
SN 1029: The Illusion of Thinking - Meta Apps and JavaScript Collusion
2
In memoriam: Bill Atkinson Meta native apps & JavaScript collude for a localhost local mess. The EU rolls out its own DNS4EU filtered DNS service. Ukraine DDoS's Russia's Railway DNS ... and... so what? The Linux Foundation creates an alternative Wordpress package manager. Court tells OpenAI it must NOT delete ANYONE's chats. Period! :( A CVSS 10.0 in Erlang/OTP's SSH library. Can Russia intercept Telegram? Perhaps. Spain's ISPs mistakenly block Google sites. Reddit sues Anthropic. Twitter's new encrypted DM's are as lame as the old ones. The Login.gov site may not have any backups. Apple explores the question of recent Large Reasoning Models "thinking" Show Notes - https://www.grc.com/sn/SN-1029-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: hoxhunt.com/securitynow threatlocker.com for Security Now uscloud.com canary.tools/twit - use code: TWIT
Published 06/11
SN 1026: Rogue Comms Tech Found in US Power Grid - Is AI Replicating Itself?
2
Chrome to actively refuse admin privileges. Android Messenger is getting manual key verification. Pwn2Own to add AI "pwning" as in-scope attack targets. AI has already been found to be replicating. Microsoft not killing off Office on Win10 after October. 23andMe's asset purchaser revealed. Many fun talking points thanks to our listeners. Steve's review of "Andor", season 2. What's been discovered inside the U.S. power grid Show Notes - https://www.grc.com/sn/SN-1026-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: bigid.com/securitynow material.security joindeleteme.com/twit promo code TWIT bitwarden.com/twit drata.com/securitynow
Published 05/21
SN 1024: Don't Blame Signal - The Real Story Behind the TM SGNL Breach
2
Microsoft to officially abandon passwords and support their deletion. Meta's RayBan smart glasses weaken their privacy terms. 30% of Microsoft code is now being written by AI. Google says prying Chrome from it will damage its security. Nearly 1,000 six-year-old eCommerce backdoors spring to life. eM Client moves to version 10.3 A bunch of terrific listener feedback creates talking points. A little-known, insecure message archiving service comes to light. Show Notes - https://www.grc.com/sn/sn-1024-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 drata.com/securitynow material.security threatlocker.com/twit
Published 05/07
SN 1022: The Windows Sandbox - Short-life Certs, Ransomware Payout Stats
2
Enabling Firefox's Tab Grouping. Recalled Recall Re-Rolls out. The crucial CVE program nearly died. It's been given new life. China confesses to hacking the US (blames our stance on Taiwan). CISA says what Oracle still refuses to. Brute force attacks on the (rapid) rise. An AI/ML Python package rates a 9.8 (again!) The CA/Browser forum passed short-life certs. :( A wonderful crosswalk hack hits Silicon Valley. Android to add force restarting ahead of schedule. Maybe. The EFF is never happy. But especially now, about Florida. Interesting research into ransomware payouts. Windows Sandbox: The amazing gem hidden inside all Windows 10 & 11! Show Notesb - https://www.grc.com/sn/SN-1022-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 drata.com/securitynow bigid.com/securitynow 1password.com/securitynow material.security
Published 04/23
SN 1021: Device Bound Session Credentials - Hotpatching in Win 11, Apple vs. UK
2
Android to get "Lockdown Mode". What's in the new editions of Chrome and Firefox? Why did Apple silently re-enable automatic updates? My new iPhone 16, Chinese tariffs and electronics. Dynamic "hotpatching" coming to Win11 Enterprise & Edu. Why is it so difficult for Oracle to fess up? Another multi-year breach inside US Treasury. An Apple -vs- the UK update. "Thundermail" (Can't someone come up with a better name?) The (in)Security of Programmable Logic Controllers. When LLM's write code and hallucinate non-existent packages. Wordpress core security and PHP gets an important audit. Device-Bound Session Credentials update session cookie technology Show Notes - https://www.grc.com/sn/SN-1021-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: expressvpn.com/securitynow vanta.com/SECURITYNOW threatlocker.com for Security Now legatosecurity.com bitwarden.com/twit
Published 04/16
SN 1020: Multi-Perspective Issuance Corroboration - IoT Done Right, France Phishes, Gmails E2EE
2
Canon printer driver vulnerabilities enable Windows kernel exploitation. Astonishing cyber-security awareness from a household appliance manufacturer. France tries to hook 2.5 million school children with a Phishing test. Wordpress added an abuse prone feature in 2022. Guess what happened? Oracle? Is there something you'd like to tell us? Utah's governor just signed the App Store Accountability Act. Now what? AI bots hungry for new data are DDoSing FOSS projects. No Microsoft Account? No Microsoft Windows 11. Gmail claims it now offers E2EE. It kinda sorta does. Somewhat. A dreaded CVSS 10.0 was discovered in Apache Parquet. A bunch of terrific listener feedback. What's Multi-Perspective Issuance Corroboration and why must all certificate authorities now do it? Show Notes - https://www.grc.com/sn/SN-1020-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: material.security threatlocker.com for Security Now canary.tools/twit - use code: TWIT joindeleteme.com/twit promo code TWIT bitwarden.com/twit
Published 04/09