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AC-4 (12)

AC-4 (12): Data Type Identifiers

The information system, when transferring information between different security domains, uses [Assignment: organization-defined data type identifiers] to validate data essential for information flow decisions.

Supplemental

Data type identifiers include, for example, filenames, file types, file signatures/tokens, and multiple internal file signatures/tokens. Information systems may allow transfer of data only if compliant with data type format specifications.

CIA Levels
Confidentiality	unknown
Integrity	unknown
Availability	unknown

Overlays
Cross Domain (Multilevel), Cross Domain (Transfer), Privacy (PHI)

Related Controls

The controls below (if any) were marked by NIST as being related to AC-4 (12).

Control	Description
No controls

Enhancements

The controls below (if any) add on to the requirements of AC-4 (12).

Control	Description
No controls

Related CCIs

The CCIs below are tied to AC-4 (12).

CCI	Definition
CCI-002200	The organization defines the data type identifiers to be used to validate data being transferred between different security domains.
CCI-002201	The information system, when transferring information between different security domains, uses organization-defined data type identifiers to validate data essential for information flow decisions.