Words in italics are cross-references to other terms in this glossary. You may find it helpful to check such cross-references because many terms in networking and security are interrelated.


An item of value to the organization. An information asset is a device, its software, and/or its content (data) that has value. If an asset is lost or stolen, or if its integrity is compromised, the organization will suffer a loss.

Authentication, Authorization, and Accounting (AAA)

The process of validating the identity (authentication) and rights (authorization) of a user logging in to a system. The third A, accounting, refers to the record keeping of user account activity, such as login start and stop times, and (depending on how accounting is ...

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