GCHQ is a world-leading intelligence, cyber and security agency with a mission to keep the UK safe
Our brilliant people use cutting-edge technology, technical ingenuity and wide-ranging partnerships to identify, analyse and disrupt threats.
We employ three capabilities across five mission areas to carry out our work.
Counter Terrorism - Stopping terrorist attacks in the UK and against our interests overseas
Cyber Security - Making the UK the safest place to live and do business online
Strategic Advantage - Managing the threats from hostile states, promoting the UK's prosperity and shaping the international environment
Serious & Organised Crime - Reducing the social and financial harm that serious and organised crime causes to the UK
Support to Defence - Protecting Defence personnel and assets and supporting an integrated approach to war fighting
Collection - governed by strict legislation, we use a range of methods to gather communications and data that we believe has intelligence value
Analysis - we analyse the communications and data that we collect to produce intelligence reports
Effects - we have a range of online capabilities that can lead to a real world outcome