AI6YR BenDec 10

Oh look, cat themed cryptographic Holiday cards!

#cryptography #morsecode

Show threadAI6YR Ben

A series of puzzles. Note: PDF from GCHQ, on the GCHQ website. Your identity is most likely logged and I am curious how clean the PDF is, LOL. PDF tracking cookies a thing? I wonder if they're laughing watching a bunch of people in various other intelligence agencies downloading the thing and logging all their IPs and details. ðŸĪŠ

https://www.gchq.gov.uk/files/gchq%20christmas%20challenge%202025.pdf

#cryptography #spooks

Dec 10 at 6:48pmWeb
Show threadAI6YR BenDec 10

GCHQ releases annual Christmas Challenge 2025 with puzzles designed by schoolchildren and spies

To mark a decade of festive puzzles, our in-house puzzlers have masterminded seven fiendish brainteasers and teamed up with schoolchildren on three festive designs

https://www.gchq.gov.uk/news/gchq-christmas-challenge-2025

#spies #gchq #mi5 #mi6

GCHQ releases annual Christmas Challenge 2025 with puzzles designed by schoolchildren and spies

To mark a decade of festive puzzles, our in-house puzzlers have masterminded seven fiendish brainteasers and teamed up with schoolchildren on three festive designs

Show threadLazarou Monkey Terror 🚀💙🌈Dec 10
@ai6yr maybe the first test for a recruit is if you open that PDF and expose your location and identity or if you are smart about it