Gchq Christmas Card Puzzle 2025. Gchq have just published their christmas card for 2025, with the usual festive challenge. The 2025 card also includes extra layers for those who want to challenge themselves further, with additional elements hidden within the code.
Gchq has launched its 2025 christmas brainteaser, encouraging both kids and adults to think about a career in cybersecurity. The latest instalment in the agency’s.