1. The principle that an individual is entrusted to safeguard and control equipment, keying material, and information and is answerable to proper authority for the loss or misuse of that equipment or information.
Source(s):
CNSSI 4009-2015 from NSA/CSS Manual Number 3-16 (COMSEC)

  The security goal that generates the requirement for actions of an entity to be traced uniquely to that entity. This supports non-repudiation, deterrence, fault isolation, intrusion detection and prevention, and after-action recovery and legal action.
Source(s):
NIST SP 800-12 Rev. 1 under Accountability from NIST SP 800-27 Rev. A
NIST SP 800-27 Rev. A [Withdrawn]

  A property that ensures that the actions of an entity may be traced uniquely to that entity.
Source(s):
NIST SP 800-57 Part 1 Rev. 4 [Superseded] under Accountability
NIST SP 800-57 Part 2 [Superseded] under Accountability
NIST SP 800-57 Part 2 Rev.1 under Accountability
NIST SP 800-57 Part 1 Rev. 3 [Superseded] under Accountability

  The security objective that generates the requirement for actions of an entity to be traced uniquely to that entity. This supports non-repudiation, deterrence, fault isolation, intrusion detection and prevention, and after-action recovery and legal action.
Source(s):
NIST SP 800-33 [Withdrawn]

  2. The security goal that generates the requirement for actions of an entity to be traced uniquely to that entity. This supports non-repudiation, deterrence, fault isolation, intrusion detection and prevention, and after-action recovery and legal action.
Source(s):
CNSSI 4009-2015 from NIST SP 800-27 Rev. A

  1. Assigning key management responsibilities to individuals and holding them accountable for these activities. 2. A property that ensures that the actions of an entity may be traced uniquely to that entity.
Source(s):
NIST SP 800-57 Part 1 Rev. 5 under Accountability

  The property that ensures that the actions of an entity may be traced uniquely to the entity.
Source(s):
NISTIR 5153 under Accountability from ISO DIS 10181-2

  The property of being able to trace activities on a system to individuals who may then be held responsible for their actions.
Source(s):
NISTIR 4734 under Accountability