What does AAAA stand for?

Authentication, Authorization, Accounting and Auditing (remote access security approach that controls network access)

This definition appears very rarely and is found in the following Acronym Finder categories:

Information technology (IT) and computers

Other Resources:

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Samples in periodicals archive:

HP has invested a lot of money and resources around this, not just around the authorization, but other capabilities as well, he says HP has come up with the four As for multi-function devices: authentication, authorization, accounting and auditing.

United States: DOD secures document scanning with smart cards