Do you know something about a threat to national security, such as terrorism or espionage? Could you help to keep the community safe? If so, we want to hear from you.
To help us deal with your enquiry, please select below what you would like to do.
If your enquiry is to report a suspected threat or crime, please choose from the following links:
- Report a suspected threat to national security (terrorism or espionage)
- Report a crime that does not involve national security
For other enquiries, please select one of the following links:
- Obtain security advice
- Make a media/press enquiry
- Make a general enquiry
- Ask about recruitment issues
- Report a problem with this website or give us feedback
- Make a complaint about our activities
If your information relates to an imminent threat to life or property, please contact the police on 999 or the Anti-Terrorist Hotline on 0800 789 321
Please do not use this form to submit queries about the recruitment process or your application for a job at MI5. Please contact the Recruitment Office on 0845 450 2152 or firstname.lastname@example.org who will be able to help you.