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-21(1)

information sharing | automated decision support

assessment objective:

Determine if the information system enforces information-sharing decisions by authorized users based on:

ac-21(1)[1]

access authorizations of sharing partners; and

ac-21(1)[2]

access restrictions on information to be shared.

potential assessment methods and objects:

Examine: [select from:  Access control policy; procedures addressing user-based collaboration and information sharing (including restrictions); information system design documentation; information system configuration settings and associated documentation; system-generated list of users authorized to make information sharing/collaboration decisions; system-generated list of sharing partners and access authorizations; system-generated list of access restrictions regarding information to be shared; 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 access authorizations supporting information sharing/user collaboration decisions].