LED status indicators on microcontrollers can act as optical receivers, enabling data injection attacks with bandwidth approaching 1 Mbit/s under realistic compromise conditions.
LED-it-GO: Leaking (a lot of) data from air-gapped computers via the (small) hard drive LED
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("Oops! Had the silly thing in reverse")---Optical injection attacks in through LED status indicators
LED status indicators on microcontrollers can act as optical receivers, enabling data injection attacks with bandwidth approaching 1 Mbit/s under realistic compromise conditions.