GPO FundamentalsGroup Policy & Endpoint Policy

Monitoring Group Policy for backdoors

Monitoring Group Policy for Backdoors (GPO Tampering Detection & Response) Group Policy is one of the most powerful configuration channels in Active Directory—and that’s exactly why attackers love it. If a threat actor gains the ability to edit a Group Policy Object (GPO) (or its SYSVOL content), they can push “legitimate” settings that…
Read more
GPO FundamentalsGroup Policy & Endpoint Policy

How to detect circular group nesting and resolving token bloat

Detecting circular group nesting and resolving token bloat Group nesting is one of Active Directory’s most powerful features: it lets you express roles, aggregate access, and scale delegation without touching every user object. It’s also one of the easiest ways to accidentally create circular membership (loops) and quietly inflate a user’s logon token until…
Read more
GPO FundamentalsGroup Policy & Endpoint Policy

Disabling USB ports using Group Policy: An expert guide

Short version (for snippets): To block USB storage with Group Policy, open gpmc.msc, create a new GPO, then enable Computer Configuration > Policies > Administrative Templates > System > Removable Storage Access > All Removable Storage Classes: Deny all access, and link the GPO to your target OU. Run gpupdate /force on clients to apply. This denies read/write/execute for removable…
Read more