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Security Association (SA)

Abbreviation(s) and Synonym(s):

Definition(s):

  A relationship established between two or more entities to enable them to protect data they exchange.
Source(s):
CNSSI 4009-2015 under security association

  A set of values that define the features and protections applied to a connection.
Source(s):
NIST SP 800-77 Rev. 1

  The logical set of security parameters containing elements required for authentication, key establishment, and data encryption.
Source(s):
NIST SP 800-127 [Withdrawn] under Security association (SA)

  Set of values that define the features and protections applied to a connection.
Source(s):
NIST SP 800-77 [Superseded] under Security Association