Remember GCHQ chief Robert Hannigan from Q3327 - Here is an interesting article I found: “Inside the race to keep secrets safe from the quantum computing revolution
Start-ups are taking part in a global competition to upgrade encryption to fend off the quantum computing threat” https://www.telegraph.co.uk/technology/2021/02/28/inside-race-keep-secrets-safe-quantum-computing-revolution/ https://www.theguardian.com/uk-news/2017/jan/23/gchq-chief-robert-hannigan-quits