Archive

F5 breach - everything we know so far

F5 says a nation-state actor accessed internal dev systems, exfiltrated BIG-IP source code and vulnerability details, and triggered a CISA emergency patch directive.

Matt Johansen

Newsletter

Oct 10, 2025

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15 min read

🎓️ 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

VulnU - Premium

Oct 9, 2025

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9 min read

VulnU Premium - 003 - Rachel Tobac

How this social engineer stays human under pressure - and finds power in imperfection.

Matt Johansen

cybercrime

ShinyHunters Launches Leak Site for Stolen Salesforce Customer Data

Oct 3, 2025

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6 min read

ShinyHunters Launches Leak Site for Stolen Salesforce Customer Data

Dozens of companies report Salesforce-linked data theft. Investigators cite OAuth abuse and social engineering, not a core platform flaw.

Matt Johansen

Newsletter

Oct 3, 2025

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15 min read

🎓️ Vulnerable U | #136

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

Matt Johansen

Newsletter

Sep 26, 2025

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17 min read

🎓️ Vulnerable U | #135

Massive Cisco 0-day actively exploited, AI vs AI in our email boxes, SIM Farm taken down by Secret Service, and much more!

Matt Johansen

Newsletter

Sep 19, 2025

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16 min read

🎓️ Vulnerable U | #134

Massive Microsoft Entra vulnerability with no logs, big phishing as a service takedown, North Korean usage of ChatGPT on display, npm worm, and much more!

Matt Johansen

Newsletter

Sep 12, 2025

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17 min read

🎓️ 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

Newsletter

Sep 5, 2025

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15 min read

🎓️ Vulnerable U | #132

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

Matt Johansen

VulnU - Premium

Sep 4, 2025

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9 min read

VulnU Premium - 002 - Trey Ford

How this cybersecurity leader applies a pilot’s mindset to crisis and calm.

Matt Johansen

Newsletter

Aug 29, 2025

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18 min read

🎓️ 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

Newsletter

Aug 22, 2025

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18 min read

🎓️ 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

F5 breach - everything we know so far

🎓️ Vulnerable U | #137

VulnU Premium - 003 - Rachel Tobac

ShinyHunters Launches Leak Site for Stolen Salesforce Customer Data

🎓️ Vulnerable U | #136

🎓️ Vulnerable U | #135

🎓️ Vulnerable U | #134

🎓️ Vulnerable U | #133

🎓️ Vulnerable U | #132

VulnU Premium - 002 - Trey Ford

🎓️ Vulnerable U | #131

🎓️ Vulnerable U | #130

Vulnerable U

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