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A2 | A3 | A4 | A5 | A6 | A7 | A8 |
Adware
See cookies, spyware, and web bugs. Advanced Encryption Standard (AES) a standard made by NIST to surpass DES encryption. Royalty-free and worldwide, it is intended to identify an unclassified, publicly-disclosed, symmetric encryption algorithm.
Adversary
A unit which attacks, or becomes a threat to, a system.
AIS
Automated Information System. A phrase that used to be utilized in U.S. government and military that referred to computer or electronic information systems.
Algorithm
A specific procedure or formula for solving a problem. In security an algorithm typically refers to cryptographic algorithms used in encryption or decryption of data files and/or messages and to generate Digital Signatures.
Anomaly Detection
Identifying intrusions by looking for unusual activity. A system would have a model of 'expected' or 'normal' behaviour, and would flag any activity that deviated from this model.