A $300 Bluetooth smart lock. A Flipper Zero. Ninety seconds. That's the complete attack on a class of smart lock vulnerabilities that multiple manufacturers still haven't patched, where capturing the BLE unlock signal once is enough to replay it indefinitely — from across the street, through a wall, or 24 hours later when nobody's watching. The physical security industry moved from mechanical keys to PIN codes to smartphone-connected locks and called it progress. What it actually did was add a…
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