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    New TETRA Radio Encryption Flaws Expose Law Enforcement Communications

    4 weeks ago

    Cybersecurity researchers have discovered a fresh set of security issues in the Terrestrial Trunked Radio (TETRA) communications protocol, including in its proprietary end-to-end encryption (E2EE) mechanism that exposes the system to replay and brute-force attacks, and even decrypt encrypted traffic. Details of the vulnerabilities – dubbed 2TETRA:2BURST – were presented at the Black Hat USA
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