Here's some additional information:

https://twitter.com/QRLedger
http://globalriskinstitute.org/quantum-computing-new-threat-cybersecurity/

It underlines the urgency of developing "quantum-safe" cryptography to guard against these threats. "It is very important that we are not caught off-guard and forced to fire-fight a threat that takes years of preparation to properly defend ourselves against," the report adds.