Windows grants or denies access and privileges to resources based on access control lists (ACLs), which use these SIDs to identify users and their group memberships uniquely. When a user logs into a ...

A SID or a Security Identifier is a unique code that helps identify any user or group and computer accounts across Windows Operating Systems. They are created as soon as a user account is created and ...

You've probably seen SID numbers on your Windows 2000 server and assumed that the numbers are random. They're not. Each SID has meaning, and here you can find out what that meaning is. As an ...