[KineticLensman]

This BBC report refers to a puzzle released by the UK's National Cyber Security Centre [1], as part of an online recruitment effort.

[1] https://www.ncsc.gov.uk/news/take-our-regex-crossword-challe...

[cag_ii]

Interstingly, Bletchly Park is known to have used crossword puzzles published in The Daily Telegraph as a recruitment tool for "codebreakers" during WWII.

https://en.wikipedia.org/wiki/Bletchley_Park#Personnel

[arien]

So I suppose is it a one time thing only? A shame, it was quite fun to solve!

[simlevesque]

There you go: https://regexcrossword.com/