According to Verizon, The trial of "quantum-safe" VPN successfully demonstrated between verizons UK and USA branches, To protect private communications from future attacks, that it is possible to replace current security processes with protocols that are quantum-proof. Verizon Says it "quantum-safe" VPN
To protect private communications from future attacks by quantum computers, Verizon is trialing the use of next-generation cryptography keys to protect the virtual private networks (VPNs) that are used every day by companies around the world to prevent hacking.