Access rights
Access control can be configured to allow one or multiple users access to a certain resource. Depending on what can be done with each level of access, configuring and maintaining access right configurations is highly sensitive.
Also, in AD, resources are restricted using access control. In this section, let’s have a look at the basics and how to audit access.
What is a SID?
A SID is a unique ID of an account and the primary identifier. It does not change for the lifetime of an account. This allows the concept of renaming users without causing any access or security issues.
There are some well-known SIDs available in every environment – the only difference is the domain ID, which was added to the beginning of the SID.
For example, the well-known SID of the built-in domain administrator follows this schema: S-1-5-21-<domain>-500.
The last number group represents the user number: in this case, 500 is a reserved, well-known SID. Well...