June 22, 2023, 7:26 p.m. | Jonas Bülow Knudsen

Security Boulevard securityboulevard.com

What is Tier Zero — Part 1


Tier Zero is a crucial group of assets in Active Directory (AD) and Azure. Its purpose is to protect the most critical components by creating a security boundary and preventing a complete compromise.


Defining Tier Zero for your environment is not a straightforward task. It involves examining various assets and their relationships. You need to consider if principals are meant to have the level of control they have and if they are essential …

active directory assets azure cloud security components compromise critical directory environment protect research security security-boundaries task what is zerotier

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