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TWiT

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. You can join Club TWiT for $10 per month and get ad-free audio and video feeds for all our shows plus everything else the club offers...or get just this podcast ad-free for $5 per month.

New episodes every Tuesday.

Security Now (Audio)

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 Mythos
 
 • Can the aging CVE system survive AI
 
 • Patch deployment latency in the AI age
 
 • MSFT's official YellowKey BitLocker bypass mitigation
 
 • Ubiquiti patches 5 serious vulnerabilities
 
 • Drupal attacked by a PostgreSQL injection
 
 • Microsoft terminates SMS as a second factor
 
 • GitHub hacked - all of its source code exfiltrated
 
 • Russia is using very old Western software
 
 • Why to get a no-charge AI chatbot account
 
 • New Sci-Fi on Netflix
 
 • What we learn from Mozilla's use of Mythos
 

Show Notes - https://www.grc.com/sn/SN-1080-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 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 1080: Vulnerability Debt Repayment - Will Mythos Change Cybersecurity Forever?

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 systems
 

Show Notes - https://www.grc.com/sn/SN-1079-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 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 1079: Daybreak and Codename MDASH - Microsoft's Edge Password Blunder

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 response
 

Show Notes - https://www.grc.com/sn/SN-1078-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 audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit

Sponsors:

cyberhoot.com/securitynow
guardsquare.com
doppel.com
outsystems.com/twit
threatlocker.com/twit

SN 1078: DigiCert does it right - Hugging Face Under Fire

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 objects
 

Show Notes - https://www.grc.com/sn/SN-1077-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 audio and video feeds, a members-only Discord, and exclusive content. Join today: https://twit.tv/clubtwit

Sponsors:

outsystems.com/twit
zscaler.com/security
meter.com/securitynow
bitwarden.com/twit
hoxhunt.com/securitynow
trustedtech.team/securitynow365

SN 1077: A Browser AI API? - End of Bug Bounties?

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.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 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 1076: FAST16.SYS - Unmasking the NSA's Most Diabolical Digital Sabotage

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 Means
 

Show Notes - https://www.grc.com/sn/SN-1075-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 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 1075: Yes. Exactly. - The Zero-Day Ticking Clock

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.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 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 1074: What Mythos Means - Marketing or Mayhem

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.

 
 • Apple's 26.4 age queries catches many by surprise.
 
 • LinkedIn's 2.7 MB of privacy-invading javascript.
 
 • Microsoft starts forcing Win11 24H2 to 25H2.
 
 • Cisco loses source code to the Trivy supply-chain mess.
 
 • Proton introduces privacy-first voice and video "Meet."
 
 • GitHub to fix lagging security of its Actions feature.
 
 • Cloudflare reaffirms the privacy of its 1.1.1.1 DNS.
 
 • Cloudflare uses AI to re-code better secure Wordpress.
 
 • The FCC drops a ban on all new consumer-grade routers.
 

Show Notes - https://www.grc.com/sn/SN-1073-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 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 1073: The FCC Bans New Consumer Routers - LinkedIn's JavaScript Bombshell

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.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 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 1072: LiteLLM - Click Fix Attacks Surge

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 it
 

Show Notes - https://www.grc.com/sn/SN-1071-Notes.pdf
 

Hosts: Steve Gibson and Mikah Sargent
 

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 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 1077: A Browser AI API? - End of Bug Bounties?

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