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Re:Academics steal data from air-gapped systems using PC fan... by crote on Saturday April 18, 2020 @07:25PM (#22911998)
It also works the other way around: sound will make harddrives malfunction.

This means that one could theoretically use a harddrive as a microphone!

See https://www.youtube.com/watch?v=tDacjrSCeq4 for a demo, yelling at harddrives increases their latency.

Re:Academics steal data from air-gapped systems using PC fan... by ciabattabread on Saturday April 18, 2020 @09:47PM (#22912783)
For a brief second I thought your link was the Radiohead cover that used old computer equipment, including hard drives as speakers. Here’s that link: https://youtu.be/pmfHHLfbjNQ
Re:Academics steal data from air-gapped systems using PC fan... by ShamelessC on Saturday April 18, 2020 @10:34PM (#22912997)
Thanks for sharing that! I had forgotten that Radiohead help a competition to remix Nude. Interesting tidbit from the YouTube summary:

Radiohead held an online contest to remix "Nude" from their album - "In Rainbows" This was quite a difficult task for everybody that entered, as Nude is in 6/8 timing, and 63bpm. Most music that's played in clubs is around 120bpm and usually 4/4 timing...

...I decided to take the piss a bit, as the contest seemed to be in that spirit. Based on the lyric (and alternate title) "Big Ideas: Don't get any" I grouped together a collection of old redundant hardware, and placed them in a situation where they're trying their best to do something that they're not exactly designed to do, and not quite getting there. It doesn't sound great, as it's not supposed to.

I personally disagree and think it sounds awesome but I get what he means.