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A comment on Data Exfiltration from Speakerless Air-Gapped Computers via Hard Drive Noise. Parent comment

Re:Data Exfiltration from Speakerless Air-Gapped Computers v... by Gracana on Friday August 12, 2016 @01:54PM (#12277483)
LEDs can be pretty darn quick. My friend was able to use a status LED on his FPGA board as a toslink transmitter.
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