Security Now (Audio) Podcast

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39.3K - 65.5K listeners Male 4.6 rating 2621 reviews 10 episodes USA
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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.

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Recent Hosts, Guests & Topics

Here's a quick summary of the last 5 episodes on Security Now (Audio).

Hosts

Steve Gibson Leo Laporte

Previous Guests

expert iOS jailbreak developer
An expert iOS jailbreak developer who discusses giving up jailbreaking.
Steve Gibson
Steve Gibson is a renowned cybersecurity expert, author, and the founder of Gibson Research Corporation (GRC). He is well-known for his work on computer security, privacy, and data recovery. Steve is the creator of the SpinRite utility, a popular tool for hard drive maintenance and data recovery, and hosts the Security Now podcast, where he discusses the latest cybersecurity threats and technologies.
Leo Laporte
Leo Laporte is a well-known technology broadcaster, author, and podcaster. He is the founder of TWiT (This Week in Tech) and hosts several technology-related podcasts, including Security Now. Leo is recognized for his expertise in consumer technology, cybersecurity, and digital privacy, and has been a prominent figure in tech media for decades.

Topics Discussed

cybercrime hacking Meta Apps JavaScript collusion DNS4EU DDoS Wordpress OpenAI CVSS 10.0 Telegram interception Google blocking Reddit lawsuit encrypted DMs Login.gov backups Large Language Models AI vulnerability hunting jailbreaking Pwn2Own 2025 hacking stories SVG images abuse OpenAI o3 model Linux kernel 0-day Encrypted Client Hello (ECH) AI Hype Cycle Artificial Intelligence Cybersecurity Encrypted Client Hello Remote inverter shutdown DNS blocking Power grid stability AI blackmail ChatGPT Windows Copilot Venice.AI LLM AI power grid cybersecurity Android Messenger Pwn2Own Office on Windows 10 23andMe Virginia age-restriction law New Zealand legislation Python package for Discord FBI consumer routers WhatsApp security UK Cyber Centre AI end-to-end encryption records retention

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Episodes

Here's the recent few episodes on Security Now (Audio).

0:00 2:45:36

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

Hosts
Steve Gibson Leo Laporte
Keywords
cybercrime hacking Meta Apps JavaScript collusion DNS4EU DDoS Wordpress OpenAI CVSS 10.0 Telegram interception Google blocking Reddit lawsuit encrypted DMs Login.gov backups Large Language Models
  • 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:

0:00 3:08:02

SN 1028: AI Vulnerability Hunting - The End of Jailbreaking

Hosts
Steve Gibson Leo Laporte
Guests
expert iOS jailbreak developer
Keywords
AI vulnerability hunting jailbreaking Pwn2Own 2025 cybercrime hacking stories SVG images abuse OpenAI o3 model Linux kernel 0-day
  • Pwn2Own 2025, Berlin results.
  • PayPal seeks a "newly registered domains" patent.
  • An expert iOS jailbreak developer gives up.
  • The rising abuse of SVG images, via JavaScript.
  • Interesting feedback from our listeners.
  • Four classic science fiction movies not to miss.
  • How OpenAI's o3 model discovered a 0-day in the Linux kernel

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:

0:00 2:54:28

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

Hosts
Steve Gibson Leo Laporte
Guests
Steve Gibson Leo Laporte
Keywords
Encrypted Client Hello (ECH) AI Hype Cycle Artificial Intelligence Cybersecurity Encrypted Client Hello Remote inverter shutdown DNS blocking Power grid stability AI blackmail ChatGPT Windows Copilot Venice.AI LLM
  • What the status of Encrypted Client Hello (ECH)?
  • What radio technology would be best for remote inverter shutdown?
  • Some DNS providers already block newly listed domains.
  • Knowing when not to click a link can take true understanding.
  • Why can losing a small portion of a power grid bring the rest down?
  • Where are we in the "AI Hype Cycle" and is this the first?
  • Speaking of hype: An AI system resorted to blackmail?
  • Why are we so quick to imbue AI with awareness?
  • ChatGPT's latest o3 model ignored the order to shutdown.
  • Copilot may not be making Windows core code any better.
  • Venice.AI is an unfiltered and unrestrained LLM

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:

0:00 2:47:03

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

Hosts
Steve Gibson Leo Laporte
Guests
Steve Gibson Leo Laporte
Keywords
cybercrime hacking AI power grid cybersecurity Android Messenger Pwn2Own Office on Windows 10 23andMe
  • 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:

0:00 2:44:17

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

Hosts
Steve Gibson Leo Laporte
Keywords
Virginia age-restriction law New Zealand legislation Python package for Discord FBI consumer routers WhatsApp security UK Cyber Centre AI end-to-end encryption records retention
  • The state of Virginia passes an age-restriction law that has no chance.
  • New Zealand also tries something similar, citing Australia's lead.
  • A nasty Python package for Discord survived 3 years and 11K downloads.
  • The FBI says it's a good idea to discard end-of-life consumer routers.
  • What's in WhatsApp? Finding out was neither easy nor certain.
  • The UK's Cyber Centre says AI promises to make things much worse.
  • A bunch of great feedback from our great listeners, then:
  • Is true end-to-end encryption possible when records must be retained?

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:

Ratings

Global:
4.6 rating 2621 reviews

USA

4.6 ratings 1900 reviews

Canada

4.8 ratings 279 reviews

UK

4.6 ratings 245 reviews

Australia

4.7 ratings 129 reviews

Ireland

4.9 ratings 33 reviews

New Zealand

5.0 ratings 19 reviews

South Africa

4.2 ratings 9 reviews

Singapore

5.0 ratings 7 reviews