Newsletter

Matt Johansen's free weekly newsletter for security enthusiasts.

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🎓️ Vulnerable U | #133

🎓️ Vulnerable U | #133

Apple massively upgrades security of iPhone 17, Huntress gets a view behind the scenes on a threat actor's computer, npm massive hack details, Salesloft keeps on giving, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #132

🎓️ Vulnerable U | #132

Salesloft Salesforce mega breach, The craziest AI hacking technique I've seen, WhatsApp Spyware, Streameast takedown, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #131

🎓️ Vulnerable U | #131

Letter from Wyden to the Supreme Court calling it's cybersecurity incompetent, Google Threat Intel drops lots of info on China and Salesforce breach, CISA releases the playbook to combat Salt Typhoon, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #130

🎓️ Vulnerable U | #130

Scattered spider, ShinyHunters, Lapsus joining forces. Some of them getting arrested, their Telegram chats getting popped. Apple patches 0-day under active exploitation and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #129

🎓️ Vulnerable U | #129

So. Much. Blackhat/DEFCON research. Prompt injections, CyberArk and HashiCorp Vault zero days, DEFCON volunteers helping rural water utilities, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #128

🎓️ Vulnerable U | #128

Tons of blackhat research coming out, Microsoft Exchange major vulnerability, DaVita data breach, Federal court filing system breach, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #127

🎓️ Vulnerable U | #127

Russian ISP hacked, Spilled Tea, New Ransomware data, A ton of scamming gaming sites, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #126

🎓️ Vulnerable U | #126

SharePoint!!!! - oh and other things: Massive npm supply chain attack, Trump's AI Action Plan, A few law enforcement wins, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #125

🎓️ Vulnerable U | #125

Hackers using AI in new ways, Soldier pleads guilty to hacking and extortion, Salt Typhoon undetected in gov network for 9 months, and more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #124

🎓️ Vulnerable U | #124

Scattered Spider arrests, A bunch of sneaky extension malware, LLMs are the new SEO poisoning for phishing links, and much more!

Matt Johansen
Matt Johansen
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🎓️ Vulnerable U | #123

🎓️ Vulnerable U | #123

Critical Cisco Backdoor, New macOS malware disguised as Zoom updates, Ransomware negotiator was being paid by ransomware operators, and much much more!

Matt Johansen
Matt Johansen
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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