Newsletter

Matt Johansen's free weekly newsletter for security enthusiasts.

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🎓️ Vulnerable U | #122

🎓️ Vulnerable U | #122

Double Cisco CVSS 10 vulns, CitrixBleed2 Electric Bungaloo, North Koreans hiding malware in npm, Detection Engineering Field Manual, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #121

🎓️ Vulnerable U | #121

Data brokers enabling violence, New trick to use discord to spread malware, Widespread Grafana account takeover bug,

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #120

🎓️ Vulnerable U | #120

Grocery supply chain hack leaves shelves empty, 0-click Microsoft 365 Copilot vulnerability, massive internet outage, my Sleuthcon trip report, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #119

🎓️ Vulnerable U | #119

Google Threat Intel Voice Phishing Knowledge Drops, Massive critical Cisco bug, Meta caught tracking data they weren't supposed to, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #118

🎓️ Vulnerable U | #118

ASUS botnet, Everything is a C2 (even you're calendar), Bitcoin related kidnappings and violence continue, Fake AI Video Generators are delivering malware, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #117

🎓️ Vulnerable U | #117

Microsoft massive malware takedown, Russia hacking Ukraine logistics targets, 100s of fake Chrome extensions, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #116

🎓️ Vulnerable U | #116

Coinbase breached by insider threat, North Korean IT Workers unmasked, Deepdive into passkeys, AI Note taking app security nightmare, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #115

🎓️ Vulnerable U | #115

Massive Cisco 0day, New Russian malware intel, 38,000 domains ID'd in crypto draining operation, NSO spyware hit with massive fine, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #114

🎓️ Vulnerable U | #114

North Korean IT workers, Google zero day report, Apple AirPlay vulns, neat new malware tricks, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #113

🎓️ Vulnerable U | #113

Verizon Data Breach report, Blue Cross self inflicted data breach, FBI cyber crime report stats, new Android malware targeting Russian military, and more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #109

🎓️ Vulnerable U | #109

SignalGate, Next.js auth vuln, Kubernetes major RCE bug, Chinese shell companies hiring laid off gov employees, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #107

🎓️ Vulnerable U | #107

CISA having a bad time, Microsoft and Google Threat Intel full of goodies this week, SSRF on the rise as per GreyNoise, and much more!

Matt Johansen
Matt Johansen