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We are the regulator of the UK’s private security industry. SIA is an executive non-departmental public body, sponsored by the Home Office .
Find out about terrorist threat levels, national measures against terrorism and how to report suspect activity
The threat level indicates the likelihood of a terrorist attack in the UK.…
The Security Service (MI5) is responsible for protecting the UK against…
If you suspect someone is involved in terrorism in any way: call the…
National Risk Register The government regularly assesses the natural…
How to submit a proposal to the Defence and Security Accelerator
Find out how to protect your login details and reduce the risk of fraud when using HMRC online services.
This series brings together all documents relating to government security.
United Kingdom Security Vetting (UKSV) is the main UK government provider of security clearances.
United Kingdom Security Vetting (UKSV) is the single government provider of National Security Vetting (NSV). We are the centre of excellence for security vetting and enable government to protect citizens and provide vital public services, by understanding and managing personnel...
The different types of SIA licence, and which job activities need a licence.
Make an entry summary declaration if you move goods into Great Britain, into Northern Ireland from Great Britain, or into Northern Ireland from countries outside the EU.
National Protective Security Authority (NPSA) is the UK’s National Technical Authority for physical and personnel protective security, working to make the UK less vulnerable and more resilient to national security threats. NPSA is part of The Security Service .
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