STIGUI
V-245757CAT II — Medium severitySV-245757r1273374_rule

Foreign National System Access - Identification as FN in Email Address

Rule version FN-01.02.01 · STIG v2 · 2026-09-10

Discussion

Unauthorized access by foreign nationals to Information Systems can result in, among other things, security incidents, compromise of the system, or the introduction of a virus.

REFERENCES:

National Disclosure Policy - 1 (NDP-l)

National Security Directive 42, "National Policy for the Security of National Security Telecommunications and Information Systems

DODD 5230.11, Disclosure of Classified Military Information to Foreign Governments and International Organizations. SPECIAL NOTE: Enclosure 3 to DODD 5230.11 establishes specific criteria for the disclosure of classified information.

Use guidance on sharing information with REL Partners on SIPRNET at http://www.ssc.smil.mil/. Follow Policy/Guidance&Documentation link and then SIPRNet Information Sharing.

DODD 5230.20; Visits, Assignments, and Exchanges of Foreign Nationals

CJCSI 6510.01F, INFORMATION ASSURANCE (IA) AND SUPPORT TO COMPUTER NETWORK DEFENSE (CND), Enclosure C, Section 27, paragraph (1)

NIST Special Publication 800-53 (SP 800-53), Controls: AC-1, AC-2, CA-1, and IA-4(4)

DODI 8500.01, SUBJECT: Cybersecurity, March 14, 2014, Enclosure 3, paragraph 11.

Check

When organizations grant foreign national access to U.S. DoW systems check to ensure foreign nationals (including those foreign nationals serving in the US military) granted e-mail privileges on DoW systems are clearly identified as such in their e-mail addresses IAW DODI 8500.01, SUBJECT: Cybersecurity and CJCSI 6510.01F.

TACTICAL ENVIRONMENT: This check is applicable where LN/FN are employed in a tactical environment with access to U.S. or Coalition Forces Systems.

Fix

Foreign Nationals (including those foreign nationals serving in the US military) granted e-mail privileges on DoW systems must be clearly identified as such in their e-mail addresses IAW DODI 8500.01, SUBJECT: Cybersecurity and CJCSI 6510.01F.

Identifiers

Group ID
V-245757
Group title
FN-01.02.01
Rule ID
SV-245757r1273374_rule
Check ID
C-49188r1268654_chk
Fix ID
F-49143r1268655_fix