Security
The Windows XP Professional security model is based on the concepts of authentication and authorization. Authentication verifies a user’s identity, and authorization verifies that the user has permission to access resources on the computer or the network. Windows XP Professional also includes encryption technologies, such as Encrypting File System (EFS) and public key technology, to protect confidential data on disk and across networks.
Authentication
When the user logs on to a computer, a user name and password are required before the user can access resources on the local computer or the network. Windows XP Professional authentication enables single sign-on to all network resources, so that a user can log on to a client computer by using ...
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