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Security Now (Audio)

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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.

Location:

United States

Networks:

TWiT

Description:

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.

Twitter:

@SecurityNow

Language:

English

Contact:

1–88–88 ASK LEO


Episodes
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SN 1042: Letters of Marque - 1.1.1.1 Certificate Snafu

9/9/2025
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. 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.comcanary.tools/twit - use code: TWITbigid.com/securitynowzscaler.com/securityexpressvpn.com/securitynow

Duration:02:56:10

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SN 1041: Covering All the Bases - SHAKEN Networks, Uncontrollable AI, and Robocall Reckoning

9/2/2025
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). 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/twitthreatlocker.com/twitbitwarden.com/twitbigid.com/securitynowjoindeleteme.com/twit promo code TWIT

Duration:03:02:58

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SN 1040: Clickjacking "Whac-A-Mole" - Inside the Password Manager Clickjacking Frenzy and What It Means

8/26/2025
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/securitynowzscaler.com/securitybigid.com/securitynowuscloud.com

Duration:02:51:54

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SN 1039: The Sad Case of ScriptCase - Data Brokers Dodge Deletion

8/19/2025
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 for Security Nowbitwarden.com/twitgo.acronis.com/twitjoindeleteme.com/twit promo code TWITvanta.com/SECURITYNOW

Duration:02:51:42

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SN 1038: Perplexity's Duplicity - Malicious Repository Libraries

8/12/2025
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/securitycanary.tools/twit - use code: TWITuscloud.comgo.acronis.com/twit

Duration:03:03:49

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SN 1037: Chinese Participation in MAPP - Why Signal is Leaving Australia

8/5/2025
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/twitbigid.com/securitynowjoindeleteme.com/twit promo code TWITMelissa.com/twitthreatlocker.com for Security Now

Duration:02:47:02

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SN 1036: Inside the SharePoint 0-day - Is Our Data Safe Anywhere?

7/29/2025
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: TWITthreatlocker.com for Security Nowbitwarden.com/twituscloud.com

Duration:02:58:21

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SN 1035: Cloudflare's 1.1.1.1 Outage - Bypassing Passkey Protections

7/22/2025
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/security1password.com/securitynowgo.acronis.com/twit

Duration:02:48:02

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SN 1034: Introduction to Zero-Knowledge Proofs - Taking Down Quantum Factorization

7/15/2025
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/twitjoindeleteme.com/twit promo code TWITbigid.com/securitynowthreatlocker.com for Security Nowuscloud.com

Duration:02:55:37

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SN 1033: Going on the Offensive - The Digital Arms Race

7/8/2025
Show Notes - https://www.grc.com/sn/SN-1033-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/securitynowMelissa.com/twit1password.com/securitynowhoxhunt.com/securitynowcanary.tools/twit - use code: TWIT

Duration:03:04:57

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SN 1032: Pervasive Web Fingerprinting - How Websites Tracks You Despite Cookie Blocks

7/1/2025
• 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/twitbitwarden.com/twitthreatlocker.com/twitjoindeleteme.com/twit promo code TWIT

Duration:02:57:52

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SN 1031: How Salt Typhoon Gets In - What "AI" Really Means

6/24/2025
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/securitynowhoxhunt.com/securitynowoutsystems.com/twitbigid.com/securitynowzscaler.com/security

Duration:03:00:38

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SN 1030: Internet Foreground Radiation - The NPM Repository is Under Siege

6/17/2025
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 TWITbitwarden.com/twitmaterial.securitydrata.com/securitynowbigid.com/securitynow

Duration:02:48:29

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SN 1029: The Illusion of Thinking - Meta Apps and JavaScript Collusion

6/10/2025
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/securitynowthreatlocker.com for Security Nowuscloud.comcanary.tools/twit - use code: TWIT

Duration:02:45:36

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SN 1028: AI Vulnerability Hunting - Jailbreaking is Over

6/3/2025
Show Notes - https://www.grc.com/sn/SN-1028-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.securityoutsystems.com/twitbigid.com/securitynowbitwarden.com/twitjoindeleteme.com/twit promo code TWIT

Duration:03:08:02

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SN 1027: Artificial Intelligence - The Status of Encrypted Client Hello

5/27/2025
Show Notes - https://www.grc.com/sn/SN-1027-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: outsystems.com/twitthreatlocker.com for Security Nowcanary.tools/twit - use code: TWIThoxhunt.com/securitynow1password.com/securitynow

Duration:02:54:28

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SN 1026: Rogue Comms Tech Found in US Power Grid - Is AI Replicating Itself?

5/20/2025
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/securitynowmaterial.securityjoindeleteme.com/twit promo code TWITbitwarden.com/twitdrata.com/securitynow

Duration:02:47:03

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SN 1025: Secure Conversation Records Retention - FBI Says to Toss Your Old Router

5/13/2025
Show Notes - https://www.grc.com/sn/SN-1025-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 for Security Nowuscloud.comhoxhunt.com/securitynowcanary.tools/twit - use code: TWIT

Duration:02:45:04

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SN 1024: Don't Blame Signal - The Real Story Behind the TM SGNL Breach

5/6/2025
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/twitjoindeleteme.com/twit promo code TWITdrata.com/securitynowmaterial.securitythreatlocker.com/twit

Duration:02:46:22

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SN 1023: Preventing Windows Sandbox Abuse - Microsoft Says "Don't Delete This Folder"

4/29/2025
Show Notes - https://www.grc.com/sn/SN-1023-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: legatosecurity.comthreatlocker.com for Security Nowoutsystems.com/twithoxhunt.com/securitynow

Duration:02:44:49