Design flaws in devices used to monitor radiation levels in nuclear plants, hospitals, seaports, and at border controls, could be exploited by an attacker to inject phony radiation readings, a security researcher has found. Ruben Santamarta, principal security consultant at IOActive, reverse-engineered the firmware of two different brands of radiation monitoring devices as well as analyzed their hardware and a proprietary radio frequency (RF) protocol used for communicating with those devices, and discovered major design flaws that leave them open for hacking.

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