The UK's intelligence, security and cyber agency, helping to keep the UK safe online and in the real world. Follow the cyber security arm of our mission @NCSC.
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ALT A graphic for the National Language Competition by GCHQ. Includes a pink puzzle piece with "NLC" on it and an orange speech bubble with "GCHQ." Text reads: "The NLC is back for 2026! Registration is now open #NLC2026." The border is purple.
ALT Puzzle image titled "Drawing - lots" with text listing letters and corresponding initials: B by P, C by WD, D by L, E by S, J by S, N by S-H, P by D, S by SH, V by D. Includes GCHQ and Enigma Rating 1 logos. Hashtags at the bottom: #GCHQ #GCHQPuzzle.
ALT Collage of two scenes in Manchester, UK. On the left, a modern building with a green tree in front under a clear blue sky. On the right, a city canal scene with high-rise buildings and a bridge. Logos include 'Manchester North West' and 'GCHQ'.
ALT The image features an enigma puzzle with the following question and options: "Jeopardy" with options: a) Judge Doom, b) One joined the army and one married Thelma, c) It's behind a double-parked van, d) She lives in a mansion with her sister Blanche. It has a GCHQ logo and is labeled "Enigma Rating 1" with the hashtag #GCHQPuzzle.
ALT A person wearing a red shirt and vest is smiling while sitting among green plants. Brightly colored chairs are visible in the background. The setting suggests a casual or informal meeting area.
ALT An image of a letter from His Royal Highness King Charles III thanking NCSC staff for their contributions to national security.
