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SI-10(05) Restrict Inputs to Trusted Sources and Approved Formats

NIST SP 800-53 (controls) 5.2.0 against 5.2.0
All changes in this version
unchanged SI part of SI-10

Title

Restrict Inputs to Trusted Sources and Approved Formats

Control

Restrict the use of information inputs to [Assignment: trusted sources] and/or [Assignment: formats].

Discussion

Restricting the use of inputs to trusted sources and in trusted formats applies the concept of authorized or permitted software to information inputs. Specifying known trusted sources for information inputs and acceptable formats for such inputs can reduce the probability of malicious activity. The information inputs are those defined by the organization in the base control ( [SI-10](#si-10)).

Parameters

si-10.05_odp.01: trusted sources
si-10.05_odp.02: formats

Related controls

ac-3, ac-6

Assessment objective

SI-10(05) the use of information inputs is restricted to [Assignment: trusted sources] and/or [Assignment: formats].

STIG rules that implement this control 0

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