Computer Security Resource Center

Computer Security Resource Center

Computer Security
Resource Center

Glossary

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Assurance

Acronym(s):

None

Definition(s):

  The grounds for confidence that the set of intended security controls in an information system are effective in their application.
Source(s): CNSSI 4009-2015 (Adapted from NIST SP 800-27 Rev. A)
NIST SP 800-137 (NISTIR 7298)
NIST SP 800-37 Rev. 1

  Grounds for confidence that the other four security goals (integrity, availability, confidentiality, and accountability) have been adequately met by a specific implementation. “Adequately met” includes (1) functionality that performs correctly, (2) sufficient protection against unintentional errors (by users or software), and (3) sufficient resistance to intentional penetration or by-pass.
Source(s): NIST SP 800-27 Rev. A

  Grounds for confidence that the set of intended security controls in an information system are effective in their application.
Source(s): NIST SP 800-39 (NIST SP 800-53)

  Measure of confidence that the security features, practices, procedures, and architecture of an information system accurately mediates and enforces the security policy.
Source(s): NIST SP 800-39 (CNSSI 4009)
NIST SP 800-53 Rev. 4 (CNSSI 4009)

  In the context of OMB M-04-04 and this document, assurance is defined as 1) the degree of confidence in the vetting process used to establish the identity of an individual to whom the credential was issued, and 2) the degree of confidence that the individual who uses the credential is the individual to whom the credential was issued.
Source(s): NIST SP 800-63-2

  Grounds for confidence that the other four security objectives (integrity, availability, confidentiality, and accountability) have been adequately met by a specific implementation. “Adequately met” includes (1) functionality that performs correctly, (2) sufficient protection against unintentional errors (by users or software), and (3) sufficient resistance to intentional penetration or by-pass.
Source(s): NIST SP 800-33

  The grounds for confidence that the set of intended security controls or privacy controls in an information system or organization are effective in their application.
Source(s): NIST SP 800-53A Rev. 4

Synonym(s):

None

See Also: