SI-4(7)

Requirement
1. Notify [Assignment: organization-defined incident response personnel (identified by name and/or by role)] of detected suspicious events; and
2. Take the following actions upon detection: [Assignment: organization-defined least-disruptive actions to terminate suspicious events].

Discussion

Least-disruptive actions include initiating requests for human responses.

NIST 800-53A Assessment Guidance

Examine

[SELECT FROM: System and information integrity policy; system and information integrity procedures; procedures addressing system monitoring tools and techniques; system design documentation; system monitoring tools and techniques documentation; system configuration settings and associated documentation; alerts and notifications generated based on detected suspicious events; records of actions taken to terminate suspicious events; system audit records; system security plan; other relevant documents or records].

Interview

[SELECT FROM: System/network administrators; organizational personnel with information security responsibilities; system developers; organizational personnel installing, configuring, and/or maintaining the system; organizational personnel responsible for monitoring the system; organizational personnel responsible for the intrusion detection system].

Test

[SELECT FROM: Organizational processes for intrusion detection and system monitoring; mechanisms supporting and/or implementing intrusion detection and system monitoring capabilities; mechanisms supporting and/or implementing notifications to incident response personnel; mechanisms supporting and/or implementing actions to terminate suspicious events].

ID	Assessment Objectives
SI-04(07)(a)	<SI-04(07)_ODP[01] incident response personnel> are notified of detected suspicious events;
SI-04(07)(b)	<SI-04(07)_ODP[02] least-disruptive actions> are taken upon the detection of suspicious events.

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