Access to an organizational information system by a user (or process acting on behalf of a user) communicating through a direct connection without the use of a network.
Sources:
CNSSI 4009-2015
Access to an organizational system by a user (or process acting on behalf of a user) communicating through a direct connection without the use of a network.
Sources:
NIST SP 800-53 Rev. 5
NIST SP 800-171 Rev. 2