Access to an organizational information system by a user (or an information system) communicating through an external, non-organization-controlled network (e.g., the Internet).
Source(s):
NIST SP 1800-10B under Remote Access from NIST SP 800-128
NIST SP 800-128 under Remote Access

  Access by users (or information systems) communicating external to an information system security perimeter.
Source(s):
NIST SP 800-18 Rev. 1 under Remote Access
NIST SP 800-82 Rev. 2 under Remote Access

  Access to an organizational system by a user (or a process acting on behalf of a user) communicating through an external network.
Source(s):
NIST SP 800-128
NIST SP 800-53 Rev. 5
NISTIR 8401 from NIST SP 800-53 Rev. 5

  Access to an organizational information system by a user (or a process acting on behalf of a user) communicating through an external network (e.g., the Internet).
Source(s):
CNSSI 4009-2015

  Access to an organizational system by a user (or a process acting on behalf of a user) communicating through an external network (e.g., the Internet).
Source(s):
NIST SP 800-172
NIST SP 800-171 Rev. 2

  Access by users (or information systems) communicating external to an information system security perimeter.Network access is any access across a network connection in lieu of local access (i.e., user being physically present at the device).
Source(s):
NISTIR 8183 under Remote Access

  Access by users (or information systems) communicating external to an information system security perimeter. Network access is any access across a network connection in lieu of local access (i.e., user being physically present at the device).
Source(s):
NISTIR 8183 under Remote Access
NISTIR 8183 Rev. 1 under Remote Access
NISTIR 8183A Vol. 1 under Remote Access
NISTIR 8183A Vol. 2 under Remote Access
NISTIR 8183A Vol. 3 under Remote Access