Dutch researchers have found vulnerabilities in TETRA — a radio technology used across the world to control critical infrastructure such as power grids, gas pipelines, and trains. The researchers, Job Wetzels, Carlo Meijer, and Wouter Bokslag of cybersecurity firm Midnight Blue, found a deliberate backdoor in the encryption algorithm of these radios — made by Motorola, Damm, Hytera, and others — that was “easy” to hack. “The results of this research are serious,” said Jacobs, who is also a professor of computer security at Radboud University Nijmegen. “It is serious for the government, but also for business. It concerns vital…
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