Newsletter

Matt Johansen's free weekly newsletter for security enthusiasts.

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🎓️ Vulnerable U | #104

🎓️ Vulnerable U | #104

New info on US Treasury hack, Russia with new phishing techniques, macOS malware updates, Cyber crime groups turning phishing into loaded Apple and Google wallets, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #102

🎓️ Vulnerable U | #102

Musk's DOGE agents accessing sensitive info, Medical device backdoors, North Korean MacOS malware, Cisco and Zyxel vulnerabilities, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #101

🎓️ Vulnerable U | #101

DeepSeek Mania, Apple 0days, FBI seizing cybercrime domains, Google shares how threat actors are using their AI, and more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #100

🎓️ Vulnerable U | #100

CISA's Advisory board disbanded, Zero click Outlook 0day, Fortinet saga continues, PowerSchool breach has data back to 1985, Sam Curry hacked a Subaru, and more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #099

🎓️ Vulnerable U | #099

Biden's cybersecurity executive order, Anatomy of a voice phishing hack, PlugX malware campaign and subsequent FBI kill switch on it, Fortinet's bad week, FTC sues GoDaddy for not doing security basics, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #098

🎓️ Vulnerable U | #098

Gravy Analytics massive location data breach, Fake nuclear scare breakdown, License plate cameras open to the public, and so much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #097

🎓️ Vulnerable U | #097

U.S. Army is having a week full of arrests, China hacked the U.S. Treasury, 35 more extensions hacked by CyberHaven hackers, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #096

🎓️ Vulnerable U | #096

Phished employee pushed malicious chrome extension, Lockbit dev arrested, FBI shuts down secret Chinese police station in NYC, and more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #094

🎓️ Vulnerable U | #094

Massive Cleo File Transfer Vulnerability, Sen. Wyden's demands in wake of Salt Typhoon telecom hack, AI Security Agent Market Overview, Yahoo Paranoids laid off, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #093

🎓️ Vulnerable U | #093

Big Vulnerable U Announcement, US Telcos still currently owned by China, Scattered Spider arrests, Crypto Supply Chain attacks, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #089

🎓️ Vulnerable U | #089

AI finding zero days, Canada kicks out TikTok, Okta lets you in without a password, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #088

🎓️ Vulnerable U | #088

Microsoft threat actor reports, Sophos hack back against Chinese APT, Disney insider threat, some supply chain bugs in Fortune 500 companies, and more!

Matt Johansen
Matt Johansen