The Government Communications Headquarters (GCHQ) provides intelligence, protects information and informs relevant UK policy to keep society safe and successful in the internet age.
GCHQ works with the Foreign & Commonwealth Office is supported by 1 public body.
See all our announcements
See all our publications
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. We’ll send you a link to a feedback form. It will take only 2 minutes to fill in. Don’t worry we won’t send you spam or share your email address with anyone.