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Counter-terrorism

Information about the Home Office's work fighting terrorism.

The Home Office is responsible for keeping the UK safe from the threat posed by terrorism.

Archived content

If you are looking for information held on the counter-terrorism section of the website site prior to 7 May 2010, you can now find it on the archived version of the Home Office website (new window) kept by The National Archives. The Office for Security and Counter-terrorism website (new window) has also been archived by the National Archives.

Regulation of Investigatory Powers Act (RIPA)

Codes of Practice (new window) and RIPA forms (new window) are also available on the National Archives website.  

Have your say

Contribute to a consultation including:

  • amendments to the Anti-Terrorism Crime and Security Act 2001
  • Regulation of Investigatory Powers Act 2000: revised interception of communications code of practice

Explore this section:

  • The Technical Advisory Board

    Non-departmental public body that advises the Home Secretary if the obligations imposed on communications service providers under the terms of RIPA are reasonable.

You can help us

If you know of a threat to national security or you want to report suspicious activity, there are several ways to reach us:

You can remain anonymous, and you may save lives. In an emergency you should always call 999.

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