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GCIH · Question #358

When containing an incident, who makes the final decision on whether a box should be taken offline?

The correct answer is E. Security department. During incident containment, the security department holds final authority over the decision to take a system offline, as this is an operational security decision within their mandate.

Incident Response & Cyber Kill Chain

Question

When containing an incident, who makes the final decision on whether a box should be taken offline?

Options

  • AIT auditor
  • BLaw enforcement
  • CIncident handler
  • DManagement
  • ESecurity department

How the community answered

(42 responses)
  • C
    2% (1)
  • D
    2% (1)
  • E
    95% (40)

Why each option

During incident containment, the security department holds final authority over the decision to take a system offline, as this is an operational security decision within their mandate.

AIT auditor

The IT auditor evaluates and reports on controls and compliance after events have occurred and does not hold operational decision-making authority during active incident response.

BLaw enforcement

Law enforcement may be engaged when criminal activity is involved, but they do not direct internal organizational decisions such as whether to isolate or shut down company systems.

CIncident handler

The incident handler executes approved containment tasks but operates under the authority of the security department and does not hold final decision-making power independently.

DManagement

Management owns business risk and is consulted on decisions with significant operational impact, but the technical authority to contain a security incident is delegated to the security department.

ESecurity departmentCorrect

The security department - typically led by the CISO or incident response team lead - is accountable for making technical containment decisions such as isolating or shutting down compromised systems to prevent further damage or lateral movement. While management is notified due to potential business impact, the security department possesses both the technical expertise and the organizational authority to make the final call on containment actions during an active incident.

Concept tested: Incident response containment authority and decision ownership

Source: https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-61r2.pdf

Topics

#incident authority#containment decision#organizational roles#incident management

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