

Security Now (Video)
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.
Records live every Tuesday at 4:30pm Eastern / 1:30pm Pacific / 21:30 UTC.
Records live every Tuesday at 4:30pm Eastern / 1:30pm Pacific / 21:30 UTC.
Episodes
Mentioned books
Nov 19, 2025 • 3h 2min
SN 1052: Global Cellphone Tracking - Checkout.com Fights Back
Think your cell phone is safe from tracking? Steve reveals how global networks let anyone pinpoint your location—no hacking required and no malware involved.
Apple introduces a new Digital ID inside Wallet.
Checkout.com refuses to pay a ransom demand.
Google announces "Private AI Compute" in the cloud.
Google backpedals on their "devs must register" demand.
Win11 added a Passkeys API which 1Password & Bitwarden support.
Russia tracks SIM card appearances to thwart drone usage.
Google sues Chinese Phishing as a Service platform.
Lots of interesting listener feedback.
Global cellphone tracking is alive, well, malware free and a distressingly common commercial enterprise
Show Notes - https://www.grc.com/sn/SN-1052-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 Now
bigid.com/securitynow
veeam.com
bitwarden.com/twit
joindeleteme.com/twit promo code TWIT
Nov 12, 2025 • 2h 44min
SN 1051: Amazon sues Perplexity - Nevada's Ransomware Comeback
Amazon is taking Perplexity AI to court over its agentic browser that shops on your behalf, raising urgent questions about who controls your online buying experience when bots do the heavy lifting.
FFmpeg teaching assembly language for performance.
The state of Nevada recovers after not paying ransom.
A "rounding error" nets a clever attacker $128 million.
Why would Chrome decide to start form-filling driver's licenses.
The UK's six major telecom providers to block number spoofing.
XSLT support being removed from browsers. Will anyone notice.
Firefox introduced paid support options for organizations.
Russia continues to fight against non-Russian Internet.
Google acquires another Internet security company (Wiz).
The EU to finally fix their cookie permission mistake.
More countries drop Microsoft office for open choices.
More countries question and examine Chinese made buses.
Microsoft discovers some information leakage from LLMs.
What does Amazon's lawsuit against Perplexity's agents mean for next-generation browsers
Show Notes - https://www.grc.com/sn/SN-1051-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:
veeam.com
hoxhunt.com/securitynow
zscaler.com/security
zapier.com/securitynow
vanta.com/SECURITYNOW
8 snips
Nov 5, 2025 • 3h 20min
SN 1050: Here Come the AI Browsers - Scareware Blockers
AI-powered web browsers are on the rise, bringing potential security chaos that users aren't prepared for. Steve and Leo discuss the implications of AI-driven scareware blockers in Edge and Chrome, uncover hidden radios in Chinese buses, and share a cautionary tale of Canadian seniors scammed out of millions. They also explore OpenAI's Aardvark vulnerability scanner and the alarming discovery of malicious NPM packages. With Russia imposing software restrictions and the increasing risks of prompt injection, the tech world is facing unprecedented challenges.
Oct 29, 2025 • 2h 56min
SN 1049: DNS Cache Poisoning Returns - Ransomware Payments Plummet
The resurgence of DNS cache poisoning is explored, revealing ongoing vulnerabilities in DNS resolvers. A Linux-based vacuum is showcased for its surprising privacy risks, while Russia considers implementing China's vulnerability reporting laws. Two teens from the Scattered Spider group face arrest, highlighting the consequences of cybercrime. Meanwhile, a report shows a shocking drop in ransomware payments and discusses how attackers gain access. Listener insights on password practices add depth to the conversation, emphasizing the critical need for security improvements.
Oct 22, 2025 • 2h 50min
SN 1048: Mic-E-Mouse - AWS Goes Down Hard
Ever wondered if your mouse is eavesdropping? Discover how modern optical mice could be secretly listening in on your conversations! There's also a shocking revelation about half of all geosynchronous satellite traffic being unencrypted, exposing sensitive data. The AWS outage raises concerns about the risks of Internet monoculture. Plus, insights on age-verification laws in Texas and NIST's much-needed update on password policies. Join the discussion on cybersecurity and the surprising vulnerabilities of our digital world.
Oct 15, 2025 • 2h 32min
SN 1047: RediShell's CVSS 10.0 - The Rise of Mega Botnets
Texas is pushing strict age verification laws for app downloads—could this harm privacy? An alarming global botnet is targeting U.S. RDP services, with over 100,000 infected. A major breach linked to Discord exposes thousands of government IDs, raising concerns about outsourced support risks. The EU cancels a controversial chat control vote, while Salesforce faces significant data leakage after refusing a ransom. Plus, Apple's new iOS 26 features draw critique for usability challenges.
9 snips
Oct 8, 2025 • 2h 31min
SN 1046: Google's Developer Registration Decree - The End of Free Android Apps?
Google's new developer registration may threaten open-source app stores, stirring concern among developers. The EU's chat control vote raises privacy issues for users, prompting debate across Europe. In security news, Microsoft launches a Security Store, and Chrome releases patches to address vulnerabilities. A clever wallet return trick highlights innovative solutions, while troubling breaches like Discord's reveal ongoing security challenges. Meanwhile, Imgur blocks UK access amidst investigations into user data protection.
Oct 1, 2025 • 2h 50min
SN 1045: News and Listener Views - 2.3 Million Cisco Devices Exposed
Cisco's routers just exposed more than two million networks thanks to a "security optional" SNMP setup that's being actively exploited—Steve and Leo break down why this is a worst-case scenario for the industry and how easily it could have been avoided.
Gmail's spam filtering false-positive spree.
iOS 26's Safari randomizes its fingerprint by default.
Cisco's SNMP stands for "Security Not My Problem".
Windows' "stuck" Extended Security Updates (ESU).
Europe complains, gets 1-year of ESU with no strings.
Where to get $6 TLS certs (really) while they last.
The lessons to learn from Jaguar Land Rover's mess.
The NEON app: get paid to have your voice recorded.
Bluesky's age verification, now coming to Ohio.
What is "Kids Web Services" for age verification.
More than 10K Ollama instances publicly exposed.
GRC's DNS Benchmark reaches "release candidate"
Show Notes - https://www.grc.com/sn/SN-1045-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:
vanta.com/SECURITYNOW
1password.com/securitynow
Melissa.com/twit
threatlocker.com/twit
zapier.com/twit
Sep 24, 2025 • 3h 1min
SN 1044: The EU's Online Age Verification - Consumer Reports vs. Microsoft
Consumer Reports on Windows 10 updates.
Waste (not fraud or abuse) within DoD Cyberoperations.
China's DeepSeek produces deliberately flawed code.
WebAssembly v3.0 officially released.
Firefox v143 updates and new features.
Firefox for Android now offers DoH.
A nearly terminal flaw in Microsoft's Entra ID.
Chrome hits its 6th 0-day this year. Emergency update.
DRAM (now DDR5) still vulnerable to RowHammer.
SAMSUNG kitchen refrigerators begin showing ads.
China says no to NVIDIA.
300 more (new) NPM maliciouspackages found and removed.
The EU is already testing proper online age verification.
Show Notes - https://www.grc.com/sn/SN-1044-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
go.acronis.com/twit
zscaler.com/security
1password.com/securitynow
hoxhunt.com/securitynow
Sep 17, 2025 • 2h 51min
SN 1043: Memory Integrity Enforcement - Crypto ATM Scam Epidemic
Apple just rewrote the rules of device security with a chip-level upgrade that could wipe out most iPhone vulnerabilities overnight. Find out how "memory integrity enforcement" aims to make exploits a thing of the past—and why it took half a decade to pull off.
Are Bitcoin ATMs anything more than scamming terminals.
Ransomware hits the Uvalde school district and Jaguar.
Did "Scattered LapSus Hunters" just throw in the towel.
Germany, for one, to vote "no" on Chat Control.
Russia's new MAX messenger has startup troubles.
Samsung follows Apple's WhatsApp patch chain.
Shocker: UK school hacks are mostly by students.
HackerOne was hacked.
Connected washing machines in Amsterdam hacked.
DDoS breaks another record.
Bluesky to implement conditional age verification.
Enforcement actions for Global Privacy Control.
Might Apple have finally beaten vulnerabilities
Show Notes - https://www.grc.com/sn/SN-1043-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
vanta.com/SECURITYNOW
threatlocker.com for Security Now
bitwarden.com/twit
Melissa.com/twit


