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I'll never forget 8 years ago someone managed to set off every tornado siren in Dallas for an entire Friday night, apparently because they're controlled by radi
by nonameiguess 1y ago
I'll never forget 8 years ago someone managed to set off every tornado siren in Dallas for an entire Friday night, apparently because they're controlled by radio and the control signal was not encrypted, so the "hacker" just recorded it during a real alert and then played it back to attack the system.
- andrewflnr 1y agoThat might still work even with encryption, if they don't specifically prevent replay attacks.
- bilegeek 1y agoThe majority of EAS equipment responds this way. That's why the tones are so strictly regulated on broadcasts. https://docs.fcc.gov/public/attachments/DA-19-758A1.pdf https://docs.fcc.gov/public/attachments/DA-19-758A1.pdf