The TETRA standard is used in radios worldwide. Security researchers have found multiple vulnerabilities in the underlying cryptography and its implementation, including issues that allow for the decryption of traffic.
It sounds like it’s their system then indeed. But both parties should be prepared to audit their setup once the local radio authority is involved (sorry for the US-centric assumption of FCC).
It sounds like it’s their system then indeed. But both parties should be prepared to audit their setup once the local radio authority is involved (sorry for the US-centric assumption of FCC).