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attack surface

Definitions:

  The set of points on the boundary of a system, a system element, or an environment where an attacker can try to enter, cause an effect on, or extract data from, that system, system element, or environment.
Sources:
NIST SP 800-172 from GAO-19-128

  The set of points on the boundary of a system, a system component, or an environment where an attacker can try to enter, cause an effect on, or extract data from, that system, component, or environment.
Sources:
NIST SP 800-53 Rev. 5

  The set of points on the boundary of a system, a system element, or an environment where an attacker can try to enter, cause an effect on, or extract data from.
Sources:
NIST SP 800-160 Vol. 2 Rev. 1 from NIST SP 800-53 Rev. 5 - adapted