Security News > 2018 > October > Security Vulnerability in Internet-Connected Construction Cranes

This seems bad: The F25 software was found to contain a capture replay vulnerability -- basically an attacker would be able to eavesdrop on radio transmissions between the crane and the controller, and then send their own spoofed commands over the air to seize control of the crane. "These devices use fixed codes that are reproducible by sniffing and re-transmission,"...

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https://www.schneier.com/blog/archives/2018/10/security_vulner_18.html