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Malware

+1

Biggest Supply-Chain Attacks in History, Back to Back to Back ...

Apr 6, 2026

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12 min read

Biggest Supply-Chain Attacks in History, Back to Back to Back ...

Matt Johansen
Matt Johansen

Newsletter

🎓️ Vulnerable U | #162

Apr 3, 2026

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16 min read

🎓️ Vulnerable U | #162

Supply chain pandoras box, claude source code leak, $280M in crypto stolen, Railway was serving up other user's data, and much more!

Matt Johansen
Matt Johansen

Newsletter

🎓️ Vulnerable U | #161

Mar 27, 2026

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18 min read

🎓️ Vulnerable U | #161

Trivy and LiteLLM nightmare from TeamPCP hacking GitHub workflows, Hong Kong privacy issues, FCC bans foreign routers, and much more!

Matt Johansen
Matt Johansen

AI

+1

Teens Sue Musk's xAI Over Grok's Pornographic Images of Them

Mar 24, 2026

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4 min read

Teens Sue Musk's xAI Over Grok's Pornographic Images of Them

Matt Johansen
Matt Johansen

AI

+1

Your AI’s Memory is Being Poisoned

Mar 23, 2026

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5 min read

Your AI’s Memory is Being Poisoned

Matt Johansen
Matt Johansen

News

+1

Meta Has Joined The War Against Encryption — and is Funding The War For Age Verification

Mar 20, 2026

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4 min read

Meta Has Joined The War Against Encryption — and is Funding The War For Age Verification

Matt Johansen
Matt Johansen

Newsletter

🎓️ Vulnerable U | #160

Mar 20, 2026

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17 min read

🎓️ Vulnerable U | #160

Meta funding the age verification war and reversing e2e encryption promises, stryker wiped by Iran, Telus gets hacked and loses a petabyte of data, and much more!

Matt Johansen
Matt Johansen

AI

+1

Claude Tried to Hack 30 Companies. Nobody Asked It To.

Mar 18, 2026

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3 min read

Claude Tried to Hack 30 Companies. Nobody Asked It To.

Matt Johansen
Matt Johansen

Vulnerability

+1

Pixel Perfect: Sold Extension Injects Code Through Pixel

Mar 17, 2026

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5 min read

Pixel Perfect: Sold Extension Injects Code Through Pixel

Matt Johansen
Matt Johansen
CISA warns max-severity n8n bug is being exploited in the wild

Mar 17, 2026

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4 min read

CISA warns max-severity n8n bug is being exploited in the wild

Matt Johansen
Matt Johansen

News

+1

US Military Contractor Likely Built iPhone Hacking Tools Used By Russian Spies in Ukraine

Mar 16, 2026

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4 min read

US Military Contractor Likely Built iPhone Hacking Tools Used By Russian Spies in Ukraine

Matt Johansen
Matt Johansen

News

+1

Proposal to Create Counterintelligence Unit Receives Bipartisan Pushback. It Should.

Mar 16, 2026

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5 min read

Proposal to Create Counterintelligence Unit Receives Bipartisan Pushback. It Should.

Matt Johansen
Matt Johansen
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Vulnerable U

Vulnerable U

Infosec's favorite weekly newsletter for news, tools, and tips with 38,000+ CISOs, founders, change-makers, and straight up hackers.


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