We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
The home of National Counter Terrorism Security Office on GOV.UK. The National Counter Terrorism Security Office (NaCTSO) is a police hosted unit that supports the ‘protect and prepare’ strands of the government’s counter te…
All NaCTSO guidance is now available on www.protectuk.police.uk and will no longer be available on this website.
This accessibility statement applies to documents published by NaCTSO.
How to complain about your dealings with staff based at the National Counter Terrorism Security Office.
The National Counter Terrorism Security Office (NaCTSO) is a police hosted unit that supports the 'protect and prepare' strands of the government’s counter terrorism strategy.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab and requires JavaScript).