How soon must a significant incident be reported under NIS2?
Without undue delay and in any event within 24 hours of becoming aware of the incident, the entity sends an early warning to the CSIRT or, where applicable, the competent authority. (Provision 1) The incident notification follows without undue delay and in any event within 72 hours. (Provision 1) A final report is due no later than one month after that notification. (Provision 1)