Active Directory trusts enable cross-domain access, but poorly secured trusts can turn one breach into a full forest compromise. Attackers exploit transitive trusts, foreign security principals, Kerberos delegation flaws, and legacy connections. Learn how to lock down trusts with SID filtering, selective authentication, audits, and KRBTGT rotation to stop lateral movement and protect your enterprise.

Active Directory functional levels control which features are available in your domain and forest, and running on outdated levels leaves security capabilities on the table. Here's what each level unlocks and why it matters for your environment.

Active Directory health issues don't announce themselves - replication failures, DNS misconfigurations, and group policy inconsistencies build up quietly until something breaks. Here's a practical baseline health assessment you can run in any AD environment, including the exact tools and commands to use.