Skip to main content

This is a new service – your feedback will help us to improve it.


This page contains various organisations involved in the security profession and their related services available to government.

Government Security Group (GSG)

You can find out more about GSG and the Government Security Profession here.

National Cyber Security Centre (NCSC)

You can find out more about NCSC here.

NCSC Active Cyber Defence (ACD)

ACD is a suite of tools and services from NCSC to help eligible organisations check their services, and detect and disrupt threats.

You can find more information about ACD services on NCSC's website.

Government Security Centres (GSeCs)

The 5 Government Security Centres (GSeCs) were established to fill a cross-functional gap in delivering simple, streamlined and smarter security services, as well as standardising advice and consultancy services and products by domain experts.

Central Digital and Data Office (CDDO)

You can find out more about CDDO here.

Securing Digital Transformation

You can contact the Security Digital Transformation team in CDDO using securing-gov-services[at]

National Protective Security Authority (NPSA)

The UK Government’s National Technical Authority for Physical and Personnel Protective Security.

You can access the NPSA website here