University of Toronto Research Team Discovers New Quantum Encryption Method to Foil Hackers

A research team led by University of Toronto professor Hoi-Kwong has discovered a new quantum encryption method to foil "even the most sophisticated hackers." According to the U of T, quantum cryptography is a "foolproof way to prevent hacking." The research team says that the method ensures any attempt by an eavesdropper to read encoded communication data will lead to disturbances that can be detected by the legitimate users. 

"Photon detectors have turned out to be an Achilles' heel for quantum key distribution (QKD), inadvertently opening the door to subtle side-channel attacks, most famously quantum hacking," wrote Dr. Charles Bennett, a research fellow at IBM and the co-inventor of quantum cryptography.

But Professor Lo and his team have come up with a simple solution to the untrusted device problem that they call "Measurement Device Independent QKD."

"A surprising feature is that detectors can be arbitrarily flawed without compromising security," says Professor Lo. As a result of implementing this new method, "quantum cryptography's Achilles' heel in the fight against hackers has been resolved."

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