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A comment on Academics steal data from air-gapped systems using PC fan vibrations.

Re:Academics steal data from air-gapped systems using PC fan... by varjag on Saturday April 18, 2020 @04:50PM (#22911013)
They don't "steal" the data from an uncompromised system but establish a backchannel on a compromised one.
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Re:Academics steal data from air-gapped systems using PC fan... by _bxg1 on Saturday April 18, 2020 @09:59PM (#22912827)
That's an important distinction. I was wondering how in the world arbitrary data was making it to the fan.
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Re:Academics steal data from air-gapped systems using PC fan... by varjag on Sunday April 19, 2020 @08:43AM (#22915525)
Yep. As long as you have control over the system, you can use any physical phenomenon to communicate: blink the LEDs, beep with the speaker, tap it out with robot arm etc. Not very groundbreaking per se.
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