The continuous evaluation of the effectiveness of security control or privacy control implementation; with respect to security controls, a subset of Information Security Continuous Monitoring (ISCM) activities.
NIST SP 800-53A Rev. 4 under Ongoing Assessment
Maintaining ongoing awareness of information security, vulnerabilities, and threats to support organizational risk management decisions.
Note: The terms “continuous” and “ongoing” in this context mean that security controls and organizational risks are assessed and analyzed at a frequency sufficient to support risk-based security decisions to adequately protect organization information.
See organizational information security continuous monitoring and automated security monitoring.
CNSSI 4009-2015 under information security continuous monitoring (ISCM)
(NIST SP 800-137)
See information security continuous monitoring (ISCM).
CNSSI 4009-2015 under ongoing authorization
The continuous evaluation of the effectiveness of security control implementation; it is not separate from ISCM but in fact is a subset of ISCM activities.
NISTIR 8011 Vol. 1 under Ongoing Assessment