NIST 800-53 4
NIST 800-53 · Rev 4Reference standard · cross-referenced from CMMC Full text with a free accountSC · System and Communications Protection
SC-7 (4)
BOUNDARY PROTECTION | EXTERNAL TELECOMMUNICATIONS SERVICES
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NIST 800-53 · Rev 5
- SC-7(4)Boundary Protection | External Telecommunications Services
“Adds control text Adds discussion” about SC-7 (4) · NIST SP 800-53 Rev 4 → Rev 5 comparison, sheet "Rev4 Rev5 Compared" row 907
Source: NIST · https://csrc.nist.gov/pubs/sp/800/53/r4/final