Guidance
Where to Report a Cyber Incident
Find out where to report a cyber incident in the UK, Isle of Man or Channel Islands.
What is a cyber incident?
Cyber incidents can take many forms, such as denial of service, malware, ransomware or phishing attacks.
Types of activities that are commonly recognised as being a cyber incidents are:
- breaches of a system鈥檚 security policy that affects its integrity or availability
- attempts to gain unauthorised access to a system or to data
- changes to a system鈥檚 firmware, software or hardware without the system owner鈥檚 consent
- malicious disruption or denial of service
You can find out more by going to
What you need to know
This service is provided by the . The NCSC is the UK鈥檚 independent authority on cyber security, providing cyber incident response to the most critical incidents affecting the UK.
Information you give will not be shared with the Information Commissioner鈥檚 Office (ICO)
You may need to report your incident with the ICO if there has been a breach of personal data. You can find out more by using the
Updates to this page
Published 13 May 2022