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A comment on Quick Tip: Enable Touch ID for Sudo (2020). Parent comment

Re:Quick Tip: Enable Touch ID for Sudo (2020) by hackernewds on Wednesday June 15, 2022 @07:14AM (#31751366)
> there are multiple demonstrations about extracting information through sound, magnetic forces and light.

fascinated by this. where could one learn more?

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Re:Quick Tip: Enable Touch ID for Sudo (2020) by dave881 on Wednesday June 15, 2022 @07:27AM (#31751465)
US Military/Intel TEMPEST program covers protection against some of these. The Wikipedia article's references includes links to relevant research.

https://en.wikipedia.org/wiki/Tempest_(codename)

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