Authentication Policy Silo is an Active Directory mechanism that groups protected accounts to restrict where and how they can authenticate.
Simple definition
Authentication Policy Silo is an Active Directory mechanism that groups protected accounts to restrict where and how they can authenticate. It belongs to the Active Directory vocabulary.
What is it used for?
Its main purpose is to reduce exposure of sensitive accounts by limiting allowed hosts and the conditions under which Kerberos tickets are issued.
How does it work?
a silo associates users, computers or service accounts with an authentication policy that enforces Kerberos restrictions and targeted access rules.
Key points
- Scope: An Active Directory mechanism that groups protected accounts to restrict where and how they can authenticate.
- Operational goal: Reduce exposure of sensitive accounts by limiting allowed hosts and the conditions under which Kerberos tickets are issued.
- Mechanism: a silo associates users, computers or service accounts with an authentication policy that enforces Kerberos restrictions and targeted access rules.
Points to watch
An overly restrictive policy can prevent a privileged account or service from authenticating to required systems.
In short
Authentication Policy Silo is a Active Directory concept to know when you need to reduce exposure of sensitive accounts by limiting allowed hosts and the conditions under which Kerberos tickets are issued.