Computer and Information Security Handbook

Appendix J

Glossary

AAA: Administration, authorization, and authentication.

Access: A specific type of interaction between a subject and an object that results in the flow of information from one to the other. The capability and opportunity to gain knowledge of, or to alter information or materials including the ability and means to communicate with (i.e., input or receive output), or otherwise make use of any information, resource, or component in a computer system.

Access Control: The process of limiting access to the resources of a system to only authorized persons, programs, processes, or other systems. Synonymous with controlled access and limited access. Requires that access to information resources be controlled by or for the target system. ...