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(8)

information flow enforcement | security policy filters

assessment objective:

Determine if:

ac-4(8)[1]    

the organization defines security policy filters to be used as a basis for enforcing flow control decisions;

ac-4(8)[2]

the organization defines information flows for which flow control decisions are to be applied and enforced; and

ac-4(8)[3]

the information system enforces information flow control using organization-defined security policy filters as a basis for flow control decisions for organization-defined information flows.

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 security policy filters regulating flow control decisions; 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].