Vulnerabilities in Car Anti-Theft Device

205 · Bruce Schneier · Aug. 5, 2026, 10:04 a.m.
Bluetooth cars Hacking Cybersecurity Hacking iot security Car Security
Summary
This blog post discusses a significant security flaw in the KARR Security System, an aftermarket car alarm installed in over 2 million vehicles, which allows hackers within Bluetooth range to unlock cars and disable their ignition. The findings are based on research from UC San Diego and highlight concerning vulnerabilities in such anti-theft devices.
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