Dictionary of Information Security

environment aggregate of external procedures, conditions,

and objects that affect the development, operation,

and maintenance of a system

ephemeral key key that is relatively short-lived. See session

key

erasure process by which a signal recorded on magnetic

media is removed. Complete erasure is usually

accomplished by applying a magnetic field to the

media. Deleting a file, particularly under a desktop

operating system, does not necessarily erase the con-

tents of the file.

Eris the Greek goddess of Chaos, Discord, Confusion, and

Things You Know Not Of; the connection to secu-

rity is obvious. See also Sisyphus the Perplexed.

error log file created by the operating system that may be

useful for review as part of the audit process

escalation increasing ...