Chapter 3. Understanding Identification and Authentication—The First Line of Defense
An imaginary conversation between the DB2 database and the user ID:
First Words: Why Is Authentication Critical to Database Security?
When a user claims a specific identity, such as entering a user ID, this process is called identification. Authentication is the process by which the claimed user identity is validated. Authentication is the first line of defense for the DB2 database system; it serves as preventive control to stop any unwanted access to the database. The role authentication plays for DB2 is much like that of the firewall for the corporate network. ...
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