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-20(4)

use of external information  systems | network accessible storage devices

assessment objective:

Determine if the organization:

ac-20(4)[1]    

defines network accessible storage devices to be prohibited from use in external information systems; and

ac-20(4)[2]

prohibits the use of organization-defined network accessible storage devices in external information systems.

potential assessment methods and objects:

Examine: [select from: Access control policy; procedures addressing use of network accessible storage devices in external information systems; security plan, information system design documentation; information system configuration settings and associated documentation; information system connection or processing agreements; list of network accessible storage devices prohibited from use in external information systems; information system audit records; other relevant documents or records].

Interview: [select from: Organizational personnel with responsibilities for prohibiting use of network accessible storage devices in external information systems; system/network administrators; organizational personnel with information security responsibilities].

Test: [select from: Automated mechanisms prohibiting the use of network accessible storage devices in external information systems].