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Test, detect, respondChapter 15

Handling an incident

First steps, crisis cell, evidence, communication, GDPR, NIS2, DORA and CRA notifications, and who to call in France: handling a cyber incident.

Belinda
Presented byBelinda
9 min readUpdated on 7 October 2026

What you will learn

  • Know the stages of incident response and the model in NIST SP 800-61 Rev. 3
  • Apply the right reflexes during the first hour
  • Set up a crisis cell and preserve the evidence
  • Communicate internally and externally without making things worse
  • Meet notification deadlines (GDPR, NIS2, DORA, CRA) and the deadline for filing a complaint
  • Know who to call in France and how to rehearse

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