Newsletter

Matt Johansen's free weekly newsletter for security enthusiasts.

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🎓️ Vulnerable U | #148

🎓️ Vulnerable U | #148

Amazon catching thousands of North Korean spies in recruiting pipeline, Microsoft kills RC4 ...finally, CISA leadership is a disaster, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #147

🎓️ Vulnerable U | #147

Children cancer patients scammed of donations, Mixpanel breach impacting more victims, Browser extensions spying on your AI chats, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #146

🎓️ Vulnerable U | #146

React and Next.js situation is bad, Malware delivered via ChatGPT and Grok, Fortinet, Ivanti, SAP, and Gogs 0-days, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #145

🎓️ Vulnerable U | #145

React and Next.js critical RCE zero day, Brickstorm malware found in VMWare, Korea crack down on IP camera spying, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #143

🎓️ Vulnerable U | #143

FCC rolls back security requirements on telecom industry, Cloudflare postmortem, Salesforce with a new supply chain hack, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #142

🎓️ Vulnerable U | #142

EU can't stop trying to spy on your chats, Congress hacked, Anthropic releases report about cyber attack that used Claude, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #141

🎓️ Vulnerable U | #141

Ransomvibing in extension marketplace, Google predictions from security in 2026, Russia targets Ukraine grain industry with cyber attack, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #140

🎓️ Vulnerable U | #140

Hacked critical infrastructure across US and Canada, Russia living off the land against Ukraine, Major telecom backbone provider hacked, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #139

🎓️ Vulnerable U | #139

Exploit dev boss selling secrets to Russia, YouTube malware network takedown, Dissection of massive sms phishing operation, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #138

🎓️ Vulnerable U | #138

f5 debacle is absolutely bananas, spying on unencrypted satellite comms, cisco, ivanti, and fortinet also all having a bad week full of 0days, CISA is gutted and facing pressure, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #137

🎓️ Vulnerable U | #137

Oracle is the new MOVEit thanks to Cl0p, Redis vuln a perfect CVSS 10, Google DeepMind puts out AI agent that finds and fixes vulns, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #136

🎓️ Vulnerable U | #136

Red Hat massive GitLab leak, Government Shutdown impacting Cyber, Hacking Google Gemini, Clop ransomware returns! and much more!

Matt Johansen
Matt Johansen