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Re:Academics steal data from air-gapped systems using PC fan... by benibela on Saturday April 18, 2020 @01:09PM (#22909151)
They could try it with coil whine

I am just working on a chart that shows a tooltip when the mouse cursor hovers over a data point.

Everytime the tooltip is shown, my laptop cheeps

edit: or even if I just scroll the browser window

Re:Academics steal data from air-gapped systems using PC fan... by calaphos on Saturday April 18, 2020 @01:39PM (#22909439)
Quite a problem, especially when considering cryptographic implementations. Here's am article from 2016:

https://dl.acm.org/doi/10.1145/2851486