What we do

Provides authoritative cyber-security guidance, incident support and national cyber-security coordination.

The National Cyber Security Centre is the public-facing national cyber-security authority within GCHQ. It provides guidance, improves cyber resilience, supports organisations during significant cyber incidents and coordinates with government and platform partners within its remit.

Cyber-security guidance does not override platform provider rules or the authority of the organisation responsible for a system. Sensitive incident information must use authorised reporting and handling routes.