Matt Johansen

Over the last two decades, I’ve helped make hundreds of organizations more secure. My mission is to leave the Internet a more secure place than I found it. I’m helping organizations handle billions of users' information securely and increasing brand’s trust among their customers.

Newsletter

Oct 16, 2026

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8 min read

🎓️ Vulnerable U | #190

Crypto wallets getting the supply chain backdoor treatment, Ransomware negotiators playing both sides, OpenAI had a spy, and much more!

Matt Johansen

Newsletter

Oct 9, 2026

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8 min read

🎓️ Vulnerable U | #189

AI is breaking math, ShinyHunters with further arrests, and can you believe it, more Citrix and Cisco Critical 0days

Matt Johansen

Oct 2, 2026

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8 min read

🎓️ Vulnerable U | #188

Major Citrix vuln and exploitation, ShinyHunters member arrested, Massive list of new Linux Kernel CVEs, and much more!

Matt Johansen

Newsletter

Sep 25, 2026

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9 min read

🎓️ Vulnerable U | #187

FBI hacked, OpenAI hacked ...sorta, ClickFix is everywhere, 0days exploited fast, and more!

Matt Johansen

Newsletter

Sep 18, 2026

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8 min read

🎓️ Vulnerable U | #186

ChatGPTs aren't private, Flock reverse engineered, Actively exploited 0days, Passkey phishing lures, and more!

Matt Johansen

Newsletter

Sep 11, 2026

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7 min read

🎓️ Vulnerable U | #185

AI labs are taking an official stance that there is a high probability they are going to kill us all, and I guess other cyber news...

Matt Johansen

Sep 8, 2026

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7 min read

The Question Nobody Can Answer Fast Enough

Leveling up at the data layer is unlocking pathways for blue teamers I hadn't thought possible.

Matt Johansen

Newsletter

Sep 4, 2026

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8 min read

🎓️ Vulnerable U | #184

Massive drivers license data breach, McKesson breached by ShinyHunters, TeamPCP OSINT investigation, and much more!

Matt Johansen

Newsletter

Aug 28, 2026

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8 min read

🎓️ Vulnerable U | #183

OpenAI detailed Hugging Face report, GTA 6 leaks, Omarchy 0days, TeamPCP arrests, and much more!

Matt Johansen

Newsletter

Aug 21, 2026

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10 min read

🎓️ Vulnerable U | #182

Rust supply chain attack, Big crypto stealing browser extension campaign, AI is critical Infrastructure now, and much more!

Matt Johansen

Newsletter

Aug 14, 2026

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10 min read

🎓️ Vulnerable U | #181

Delta WiFi Hack from DEFCON, Defendant hides AI prompt in court documents, Whitehouse enables privateering hackers, and more!

Matt Johansen

Newsletter

Aug 7, 2026

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9 min read

🎓️ Vulnerable U | #180

Rogue AI hackers follow ups, Blackhat and DEFCON research dropping, Water plants not pulling PLCs off the internet fast enough, and much more!

Matt Johansen

Newsletter

Jul 31, 2026

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10 min read

🎓️ Vulnerable U | #179

More AIs escaping labs, FCC cracks down on foreign hardware, Amazon selling pre-hacked streaming sticks, and more!

Matt Johansen

Newsletter

Jul 24, 2026

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9 min read

🎓️ Vulnerable U | #178

AI escaped the lab, Jim Cramer calls Chinese models a huge risk, and an absolute ton of vulns in active exploitation you need to know about

Matt Johansen

Newsletter

Jul 17, 2026

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7 min read

🎓️ Vulnerable U | #177

Record breaking patch tuesday, AI 0days, Hacker perp walks, job interviews that get you hacked, and much more!

Matt Johansen

Newsletter

Jul 10, 2026

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9 min read

🎓️ Vulnerable U | #176

Microsoft ID used to track hackers in court case, Vidar infostealer intel breakdown, Zero days to watch out for, and much more!

Matt Johansen

Newsletter

Jul 3, 2026

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7 min read

🎓️ Vulnerable U | #175

Free Fable! Fortibleed updates, New Citrix and Oracle active attacks, and much more!

Matt Johansen

Newsletter

Jun 26, 2026

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8 min read

🎓️ Vulnerable U | #174

Fortibleed is a bigger nightmare than we thought, Scattered Spider members go to jail, LastPass has another breach this time via Salesforce, and much more!

Matt Johansen

Newsletter

Jun 19, 2026

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7 min read

🎓️ Vulnerable U | #173

Free Mythos! Fortinet having massive security issues, FIFA has a near miss on massive security vulnerability in the World Cup streams, and much more!

Matt Johansen

Newsletter

Jun 12, 2026

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7 min read

Vulnerable U | #172

Mythos and Fable updates, AI agents falling for phishing emails, Iran hacked California water providers, ServiceNow breach, and more!

Matt Johansen

Newsletter

Jun 5, 2026

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10 min read

Vulnerable U | #171

Meta's AI disaster, Whitehouse executive order on AI security, more npm worms, and more publicly disclosed vulns from researchers

Matt Johansen

Newsletter

May 29, 2026

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6 min read

🎓️ Vulnerable U | #170

Microsoft kicked the hornets nest, Mythos be Mythosing, FBI warnings about in person social engineering, and much more!

Matt Johansen

Newsletter

May 22, 2026

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8 min read

🎓️ Vulnerable U | #169

Github hack, npm madness, Cloudflare's experience with Mythos, CISA embarrassing data leak, and much more!

Matt Johansen

Newsletter

May 15, 2026

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8 min read

🎓️ Vulnerable U | #168

So many more supply chain worms, so many more linux 0days, some android 0days as a treat, and much more!

Matt Johansen

Newsletter

May 8, 2026

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7 min read

🎓️ Vulnerable U | #167

Massive education software hacked - Canvas ransomware, AI layoffs, Zero days in edge devices, Iran pretending to be cybercrime group, and more!

Matt Johansen

Matt Johansen

🎓️ Vulnerable U | #190

🎓️ Vulnerable U | #189

🎓️ Vulnerable U | #188

🎓️ Vulnerable U | #187

🎓️ Vulnerable U | #186

🎓️ Vulnerable U | #185

The Question Nobody Can Answer Fast Enough

🎓️ Vulnerable U | #184

🎓️ Vulnerable U | #183

🎓️ Vulnerable U | #182

🎓️ Vulnerable U | #181

🎓️ Vulnerable U | #180

🎓️ Vulnerable U | #179

🎓️ Vulnerable U | #178

🎓️ Vulnerable U | #177

🎓️ Vulnerable U | #176

🎓️ Vulnerable U | #175

🎓️ Vulnerable U | #174

🎓️ Vulnerable U | #173

Vulnerable U | #172

Vulnerable U | #171

🎓️ Vulnerable U | #170

🎓️ Vulnerable U | #169

🎓️ Vulnerable U | #168

🎓️ Vulnerable U | #167

Vulnerable U

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