Security · 1h ago
Open-source toolkit adds USB kill switch and dead man's switch for Linux servers
A developer released a defensive security toolkit for Linux that includes a USB kill switch to wipe LUKS keys on device removal, a dead man's switch that triggers wipe after 24 hours without a heartbeat, and a web-based manual kill switch. The project, available on GitHub, runs on private networks with Discord notifications and aims to protect physical servers.
Meridian48 take
While clever, the security model relies on the attacker not disabling the USBGuard or heartbeat mechanism first, and the 24-hour window leaves room for data exfiltration before wipe.
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Dead Man's Switch + USB Kill Switch for Linux - Open source defensive security project →
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