An Access Control List (ACL) is a security feature used in computer systems, networks, and applications to define rules and restrictions for granting or denying access to specific resources. It helps organizations manage user access rights, ensuring that only authorized users can access sensitive information and resources.

ACLs consist of entries that specify the permissions each user or group of users have for a particular resource. These permissions can include read, write, execute, and delete access.

Key Components of an ACL

Why ACLs are Important for Cyber Security:

In summary, Access Control Lists play a vital role in maintaining an organization’s cyber security posture by controlling access to resources and ensuring that only authorized users can perform specific actions on those resources.