Trimarc Founder and CTO recently presented his talk "Lessons Learned from a Decade of Attacks Against Microsoft Identity Systems" at...

This article is a guide to making the best-informed decisions by companies asking the right questions.

This is where some people will try to dazzle and impress you with pontification and prose. I’m not those people.

35 years after the first public version of Kerberos, attacks on it are still coming fast and furious. Time to armor up.

Editor's Note: Nearly a decade ago, Sean Metcalf made this post on ADSecurity.org and we're reposting it here in its original form because,

We have an Identity problem and not the kind you think of when you look in the mirror. Attacks have shifted from the perimeter to the...

This article series attempts to dissect the terms we throw around when talking about PIM.

"We have an Identity problem and not the kind you think of when you look in the mirror. Attacks have shifted from the perimeter to the...

Trimarc CTO Sean Metcalf and Active Directory Security Assessment Lead Jake Hildreth presented at the 2024 BSides Charm. Their slides are...

Discussing a common High Priority issue: excessive membership in AD Admin groups due to Nested Groups.

Happy New Year, Trimarc Subscribers! We realize the time normal people say that was about 2.5 weeks ago but, in our defense, it’s cold in...