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SI-08 Spam Protection

NIST SP 800-53 (controls) 5.2.0 against 5.2.0
All changes in this version
unchanged SI Moderate baselineHigh baseline

Title

Spam Protection

Control

a. Employ spam protection mechanisms at system entry and exit points to detect and act on unsolicited messages; and
b. Update spam protection mechanisms when new releases are available in accordance with organizational configuration management policy and procedures.

Discussion

System entry and exit points include firewalls, remote-access servers, electronic mail servers, web servers, proxy servers, workstations, notebook computers, and mobile devices. Spam can be transported by different means, including email, email attachments, and web accesses. Spam protection mechanisms include signature definitions.

Related controls

pl-9, sc-38, sc-5, sc-7, si-3, si-4

STIG rules that implement this control 0

No followed STIG rule cites a CCI indexed to this control (CCI list 2026-07-14).