Toshiba and Orange have achieved significant milestones in quantum-secure data transmission. Through a meticulous series of evaluations, the two companies have showcased the practicality of Quantum Key Distribution (QKD) technology in safeguarding data transmitted over fibre optic networks.

The evaluations, which were carried out in laboratory settings, encompassed several key achievements. 

Initially, the tests demonstrated the co-existence of QKD alongside a high...