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Asymmetric Key Encryption
Asymmetric Key Encryption, or public key encryption, employs two keys. One of these is publicly known and the other held privately. To derive a public key from a private key, any would be hacker would need to factor a very large number, and this is computationally infeasible for such derivation.
Attack
An attack is the action of attempting to bypass system security controls. The event of an attack does not necessarily mean that a systems security has been breached, but merely that an attempt to breach it has been made.
Attack Signature
Secure server network logs often show activities or alterations to a system signaling an attack or attempted attack. Attack signature especially indicates a particular kind of attack, which is often decided by examination of audit.
Attribute
The qualities representing file permissions in MS-DOS and Windows systems.
Audit
The gathering of records to check their conformity with an SSL security policy.
Audit Trail
A time-sequential record of system actions that is sufficient to reconstruct, review and examine an operation or transaction from start to finish. Also known as a security audit trail.