Report to NCSC
The NCSC receives voluntary reports of cyberincidents from the public, companies and the authorities, and assists them in taking the necessary steps. The NCSC is also responsible for collecting reports of cyberincidents from operators of critical infrastructure, who have been subject to a reporting obligation since 1 April 2025. The NCSC also receives reports of vulnerabilities and assigns them a unique identification number in accordance with the international reference system.
Please note that reports are not processed around the clock. In the event of an acute emergency, call the police emergency number 112 or 117.
Voluntary notification
Voluntary notification: Report the incident here
Mandatory notification
Mandatory notification:Step-by-step guide
Coordinated Vulnerability Disclosure (CVD)
Report a vulnerability
Online criminal complaint
Online complaints can only be filed for the offences listed below. For all other criminal offences, you must contact a police station. The NCSC does not accept criminal complaints.
