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(15)

information flow enforcement | detection of unsanctioned information

assessment objective:

Determine if:

ac-4(15)[1]

the organization defines unsanctioned information to be detected when transferring information between different security domains;

ac-4(15)[2]

the organization defines the security policy that requires the transfer of organization-defined unsanctioned information between different security domains to be prohibited when the presence of such information is detected; and

ac-4(15)[3]

the information system, when transferring information between different security domains, examines the information for the presence of organization-defined unsanctioned information and prohibits the transfer of such information in accordance with the organization-defined security policy.

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 unsanctioned  information types and associated information; information system audit records; other relevant documents or records].

Interview: [select from: Organizational personnel with information security responsibilities; system developers].

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