Countries around the world have been using the TETRA radio standard for years to secure comms for police, intel and critical infrastructure. But new analysis reveals an intentional backdoor in its algorithms. By @kimzetter.bsky.socialhttps://www.wired.com/story/tetra-radio-encryption-backdoor/

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.

are those the radios where it's really easy to send everything out in plaintext by mistake anyway?