Applicable

(Y)es / (N)o

(C)onfidentiality

(I)ntegrity

(A)vailability

RPN

(C+I+A)

(S)atisfactory

L1

M2

H3

L1

M2

H3

L1

M2

H3

(O)ther than satisfactory +##

ac-4(12)

information flow enforcement | data type identifiers

assessment objective:

Determine if:

ac-4(12)[1]    

the organization defines data type identifiers to be used, when transferring information between different security domains, to validate data essential for information flow decisions; and

ac-4(12)[2]    

the information system, when transferring information between different security domains, uses organization-defined data type identifiers to validate data essential for information flow decisions.

potential assessment methods and objects:

Examine: [select from: Access control policy; information flow control policies; procedures addressing information flow enforcement; information system design documentation; information system configuration settings and associated documentation; list of data type identifiers; information system audit records; other relevant documents or records].

Interview: [select from: System/network administrators; organizational personnel with information security responsibilities; system developers].

Test: [select from: Automated mechanisms implementing information flow enforcement policy].