Inside Quantum Technology

Terra Quantum AG Says It Found Weakness that Imperils Encryption

(Bloomberg) Terra Quantum AG, a Swiss technology company, says it has made a breakthrough by using quantum computers to uncover vulnerabilities in commonly used encryption. The company believes it’s found a security weakness that could jeopardize the confidentiality of the world’s internet data, banking transactions and emails.
Terra Quantum AG said its discovery “upends the current understanding of what constitutes unbreakable” encryption and could have major implications for the world’s leading technology companies, such as Alphabet Inc.’s Google, Microsoft Corp., and International Business Machines Corp.
But some other security experts said they aren’t nearly ready to declare a major breakthrough, at least not until the company publishes the full details of its research. “If true, this would be a huge result,” said Brent Waters, a computer science professor who specializes in cryptography at the University of Texas at Austin. “It seems somewhat unlikely on the face of it. However, it is pretty hard for experts to weigh in on something without it being published.”

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