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212-82 · Question #78

In an incident response plan, what are the phases of the incident response lifecycle? (Select all that apply)

The correct answer is A. Detection and analysis B. Recovery D. Containment. The incident response lifecycle comprises phases for addressing security incidents once they occur, including identification, containment, and restoration.

Submitted by helene.fr· Mar 6, 2026Cloud Security Operations & Incident Response

Question

In an incident response plan, what are the phases of the incident response lifecycle? (Select all that apply)

Options

  • ADetection and analysis
  • BRecovery
  • CPrevention
  • DContainment

How the community answered

(35 responses)
  • A
    89% (31)
  • C
    11% (4)

Why each option

The incident response lifecycle comprises phases for addressing security incidents once they occur, including identification, containment, and restoration.

ADetection and analysisCorrect

Detection and analysis involves continuously monitoring for security events and carefully examining identified anomalies to confirm an incident and understand its scope.

BRecoveryCorrect

Recovery focuses on restoring affected systems and services to their normal operational state, ensuring business continuity after an incident has been contained and eradicated.

CPrevention

Prevention is a proactive measure taken before an incident occurs to reduce its likelihood, and while crucial for security, it is not a phase within the incident response lifecycle itself.

DContainmentCorrect

Containment aims to limit the impact of an incident by isolating affected systems or networks, preventing the attack from spreading further and minimizing damage.

Concept tested: Incident response lifecycle phases

Source: https://www.nist.gov/document/sp80061r2.pdf

Topics

#incident response#incident lifecycle

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