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 +##

sc-34(1)

non-modifiable executable programs  | no writable storage

assessment objective:

Determine if the organization:

sc-34(1)[1]

defines information system components to be employed with no writeable storage; and

sc-34(1)[2]

employs organization-defined information system components with no writeable storage that is persistent across component restart or power on/off.

potential assessment methods and objects:

Examine: [select from: System and communications protection policy; procedures addressing non-modifiable executable programs; information system design documentation; information system configuration settings and associated documentation; information system architecture; list of information system components to be employed without writeable storage capability; information system audit records; other relevant documents or records].

Interview: [select from: System/network administrators; organizational personnel with information security responsibilities; organizational personnel installing, configuring, and/or maintaining the information system; information system developers/integrators].

Test: [select from: Automated mechanisms supporting and/or implementing employment of components with no writeable storage; automated mechanisms supporting and/or implementing persistent non-writeable storage across component restart and power on/off].