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 +##

si-4(10)

information system monitoring  | visibility of encrypted communications

assessment objective:

Determine if the organization:

si-4(10)[1]

defines encrypted communications traffic required to be visible to information system monitoring tools;

si-4(10)[2]

defines information system monitoring tools to be provided access to organization-defined encrypted communications traffic; and

si-4(10)[3]

makes provisions so that organization-defined encrypted communications traffic is visible to organization-defined information system monitoring tools.

potential assessment methods and objects:

Examine: [select from: System and information integrity policy; procedures addressing information system monitoring tools and techniques; information system design documentation; information system monitoring tools and techniques documentation; information system configuration settings and associated documentation; information system protocols; 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; organizational personnel with responsibility for monitoring the information system; organizational personnel with responsibility for the intrusion detection system].

Test: [select from: Organizational processes for intrusion detection/information system monitoring; automated mechanisms supporting and/or implementing intrusion detection/information system monitoring capability; automated mechanisms supporting and/or implementing visibility of encrypted communications traffic to monitoring tools].