GCHQ
@gchq
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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http://gchq.gov.uk 12-01-2016 16:19:05
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We love our puzzles 🧩 And #PuzzlesForSpies, our latest edition is packed cover-to-cover with tricky brainteasers and challenges for the next generation of super sleuths to take on. Get your brains in gear, your special mission has been set... Penguin Books UK
