this post was submitted on 31 Jul 2025
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Privacy
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Technically, if it’s completely 100% off, there’s no electricity running through its circuits and CPU, then there’s no way any program of sorts can actually, physically run.
The point of a Faraday cage is to isolate what’s inside from any EM interference.
If there are no active circuits running, then there’s absolutely nothing to interfere with.
Just because the laptop is powered down does not mean that no circuits are getting power. Wake on LAN/WLAN is a thing, and most devices without a physical power switch, (a power bitton is not a switch), mean that there is a miniature power draw listening for that signal. The manufacturer might have other bits that are still active as well, you can't be sure. If your ultra paranoid about state level actors it might be a good idea. If you're just worried about somebody swiping your credit card number or something, probably overkill.
It's WoL, not WLAN. WLAN is Wireless Local Area Network.
I believe the previous post was talking about Wake on LAN (WoL) and Wake on WLAN (WoWLAN) which are separate things.