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SID identifier authority

Overview#

SID identifier authority is a predefined 48-bit identifier authority value that identifies the for the top-level "authority" that issued the Security Identifier (SID)

SID identifier authority is typically 5, which represents the SECURITY_NT_AUTHORITY.

SID identifier authority appears to be an The SID prefix is often referred to as a Well-known Security Identifiers but is only an prefix indicating the SID identifier authority

SID identifier authority predefined identifier authority#

Predefined identifier authority constants are used within Microsoft Windows where the first four values are used with universal SID identifier authoritys and the the last value is used with Windows well-known SIDs:

Universal SID identifier authority#

Universal SID identifier authority are values that is known on all systems that adhere to the security model based on authenticated users and Discretionary Access Control.

More Information#

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