Definitions:
relationships with external entities. External entities may include, for example, service providers, vendors, supply-side partners, demand-side partners, alliances, consortiums, and investors, and may include both contractual and non-contractual parties.
Sources:
NISTIR 8183 from DHS - Unknown Source, National Cybersecurity & Communications Integration Center
NISTIR 8183A Vol. 1 from DHS
NISTIR 8183A Vol. 2 from DHS
NISTIR 8183A Vol. 3 from DHS
Relationships with external entities. External entities may include, for example, service providers, vendors, supply-side partners, demand-side partners, alliances, consortiums, and investors, and may include both contractual and non-contractual parties.
Sources:
NISTIR 8183 Rev. 1 from DHS