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Security Dictionary
Can't tell 'smtp' from 'snmp'? Find the precise meaning of these and hundreds of other security-related terms in our convenient and up-to-date Security Dictionary.
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(I) (1.) Noun: A collection of data that is stored for a
relatively long period of time for historical and other purposes,
such as to support audit service, availability service, or system
integrity service. (See: backup.) (2.) Verb: To store data in such
a way. (See: back up.)
(C) A digital signature may need to be verified many years after
the signing occurs. The CA--the one that issued the certificate
containing the public key needed to verify that signature--may not
stay in operation that long. So every CA needs to provide for
long-term storage of the information needed to verify the
signatures of those to whom it issues certificates.
