[In INFOSEC a] condition of cryptographic data that cannot be compromised by human access. [INFOSEC-99]

[In security, a] nonhostile environment that may be protected from external hostile elements by physical, personnel, and procedural security countermeasures. [INFOSEC-99]

1. Bit Error Rate,
2. Bit Error Ratio.

Acronym for bit error ratio tester.

A secondary software product test involving select or voluntary participants before the product is marketed to the general public.
Note: Participants agree to provide detailed feedback to the product's manufacturer in return for their being allowed to preview, use, and contribute to the final form of the product. [After Bahorsky]

Abbreviation for basic exchange telecommunications radio service.

Unauthorized access to a momentarily inactive terminal, of a legitimate user, assigned to a communications channel.

Abbreviation for broadband exchange.

1. Breakout Gateway Call Function;
2. Border Gateway Control Function

Border Gateway Protocol