Tutorial - Throwing Windows Through an Apple. - Virtualizing Windows Server 2025 on Apple Silicon
This is where some people will try to dazzle and impress you with pontification and prose. I’m not those people.
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Darryl Baker
- Jul 16
- 7 min
Securing The Chink in Kerberos’ Armor, FAST! Understanding The Need For Kerberos Armoring
35 years after the first public version of Kerberos, attacks on it are still coming fast and furious. Time to armor up.
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Sean Metcalf
- Jul 1
- 4 min
Active Directory Security Risk #101: Kerberos Unconstrained Delegation (or How Compromise of a Single Server Can Compromise the Domain)
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,
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Sean Metcalf
- Jun 5
- 1 min
BSides Dublin - The Current State of Microsoft Identity Security: Common Security Issues and Misconfigurations
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...
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Brandon Colley
- Jun 5
- 7 min
Demystifying Privileged Identity Management - Part 1
This article series attempts to dissect the terms we throw around when talking about PIM.
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Sean Metcalf
- May 20
- 1 min
The Current State of Microsoft Identity Security: Common Security Issues and Misconfigurations - BSides Dublin 2024
"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...
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Danny Akacki
- Apr 23
- 2 min
BSides Charm - 2024
Trimarc CTO Sean Metcalf and Active Directory Security Assessment Lead Jake Hildreth presented at the 2024 BSides Charm. Their slides are...
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Jake Hildreth
- Mar 11
- 3 min
Nesting Is For The Birds: The Problem with Nested Groups
Discussing a common High Priority issue: excessive membership in AD Admin groups due to Nested Groups.
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Danny Akacki
- Jan 31
- 7 min
Trimarc January Newsletter
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...
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Brandon Colley
- Nov 16, 2023
- 14 min
Once Upon a Console: vCenter Console Coercion
The best way to combat creative attackers is to become more creative ourselves.
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Sean Burgess
- Oct 31, 2023
- 8 min
The Crypt O Plague
Spooky scary skeletons that send shivers down your spine, are nothing compared to users clicking links that will seal your doom tonight.
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