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Radio Code Kept Secret for Years Reveals Its Flaw—a Backdoor

www.wired.com Code Kept Secret for Years Reveals Its Flaw—a Backdoor

A secret encryption cipher baked into radio systems used by critical infrastructure workers, police, and others around the world is finally seeing sunlight. Researchers say it isn’t pretty.

Code Kept Secret for Years Reveals Its Flaw—a Backdoor

Three Dutch security analysts discovered the vulnerabilities—five in total—in a European radio standard called TETRA (Terrestrial Trunked Radio), which is used in radios made by Motorola, Damm, Hytera, and others.

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