The security attributes or rules that are currently in effect. For example, the current user logged on to the computer or the personal identification number entered by the smart card user. For SSPI, a security context is an opaque data structure that contains security data relevant to a connection, such as a session key or an indication of the duration of the session.
An aspect of Windows NT Server that controls the type of access a user, process, or service has to system services.
The digitally signed token that identifies a principal, lists the roles and access rights for the principal, and contains information about when the token expires.