AC-4(25)

Requirement

When transferring information between different security domains, sanitize data to minimize [Selection (one or more): delivery of malicious content, command and control of malicious code, malicious code augmentation, and steganography encoded data; spillage of sensitive information] in accordance with [Assignment: organization-defined policy]].

Discussion

Data sanitization is the process of irreversibly removing or destroying data stored on a memory device (e.g., hard drives, flash memory/solid state drives, mobile devices, CDs, and DVDs) or in hard copy form.

NIST 800-53A Assessment Guidance

Examine

[SELECT FROM: Information flow enforcement policy; procedures addressing information flow enforcement; system design documentation; system configuration settings and associated documentation; system audit records; system security plan; other relevant documents or records].

Interview

[SELECT FROM: Organizational personnel with information flow enforcement responsibilities; system/network administrators; organizational personnel with information security responsibilities].

Test

[SELECT FROM: Mechanisms implementing information flow enforcement functions].

ID	Assessment Objectives
AC-04(25)	when transferring information between different security domains, data is sanitized to minimize <AC-04(25)_ODP[01] SELECTED PARAMETER VALUES> in accordance with <AC-04(25)_ODP[02] policy>.

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