56WebSphere Application Server V8.5 Concepts, Planning, and Design Guide
Figure 2-30 Types of security
2.4.2 Authentication
Authentication is the process of identifying who is requesting access to a resource. For the
authentication process, the server implements a challenge mechanism to gather unique
information to identify the client. Secure authentication can be knowledge-based (user and
password), key-based (physical and encryption keys), or biometric.
The authentication mechanism in WebSphere Application Server typically collaborates
closely with a user registry, as illustrated in Figure 2-31. When running authentication, the
user registry ...
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