All news on the topic: GCHQ

Prince William met with the Secret Intelligence Service on Thursday in an official capacity that was not disclosed in advance and was only confirmed the following day in the Royal Family's traditional Court Circular

Wartime codebreaker Joan Clarke has finally been honoured with a blue plaque to commemorate her achievements ahead of the 80th anniversary of D-Day

He will spearhead the UK's strategy on cyber resilience, especially regarding upcoming tech like AI

The man alleged by the Government to be a Russian spy claimed to have worked for GCHQ, MI6, the Ministry of Defence and the Home Office, during which time he met King Charles

There are painful parallels with 1984 as spiteful Tory anti-trade union legislation culminates in the new Strikes (Minimum Service Levels) Act, which could mean some workers losing their jobs for striking

Labour would, for starters, introduce unfair dismissal rights from day one instead of two years into a job, outlaw exploitative zero-hours contracts and put a stop to fire-and-rehire dirty tricks

MI6 agent Gareth Williams was mysteriously discovered dead inside a padlocked North Face bag at his flat in London 13 years ago - and a team of experts have thrown up a compelling new theory

Joshua Bowles a former British GCHQ worker has been jailed for life after trying to murder a US spy in a "premeditated, targeted and vicious" knife attack at a leisure centre

MI5 director-general Ken McCallum has warned Chinese spy agents have attempted to contact British entrepreneurs over networking sites such as LinkedIn, amid concerns of hacking

UK intelligence on Russia is likely to be coming from a secretive RAF base in the North Yorkshire countryside which is one of the largest surveillance operations in the world

Former spy chief Sir David Omand, who was the boss of GCHQ, suggested Moscow was behind the hack of the Electoral Commission that went undiscovered for 14 months

The Intelligence and Security Committee (ISC) which oversees the work of spy agencies including MI5, MI6 and GCHQ, said the UK had 'consistently failed to think long-term' and details 'serious' failings

The Chief of Defence Intelligence issued a warning about the 'challenges' emerging from Beijing - and how smaller nations could take advantage of cheaper technologies to arm themselves