mandiant
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Kevin Mandia and the trouble with a quiet network
Kevin Mandia built Mandiant around the moment a company discovers it has been breached. With Armadin, the cybersecurity founder and Ballistic Ventures investor is moving the investigation forward - before the real intruder arrives.
Marshall Heilman Wants to Catch the Breach Before It Becomes One
The former Marine and Mandiant operator spent a career arriving after alarms went off. At DTEX, he is betting that the next chapter of cybersecurity begins earlier - in the faint signals of human and machine behavior.
Yanek Korff Took the Job He Never Wanted - Then Built a Company Around What He Learned
He studied computer science to avoid working with people. An unexpected promotion, two bruising years, and one industry rant later, Yanek Korff became the operator teaching cybersecurity to show its work.
Dave Merkel Tried to Quit Cybersecurity. Then One Tweet Wouldn’t Leave Him Alone.
After chasing hackers for the Air Force, building AOL’s incident-response muscle and riding Mandiant into a billion-dollar deal, ‘Merk’ was finished with security startups. A complaint about lousy service changed his mind - and became the premise for Expel.
Jason Martin Built for the Breach - Then AI Gave Every Machine a Badge
After 25 years in cybersecurity, Martin stopped treating identity as a login problem and started following what every human, machine, and AI agent did next. That bet took Permiso from 100 interviews before code to an acquisition by Okta.