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this post was submitted on 16 Sep 2025
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I do it.
Every time.
And I keep a wired keyboard for it.
https://www.tomshardware.com/tech-industry/cyber-security/researchers-snoop-data-from-air-gapped-pcs-ram-sticks-by-monitoring-em-radiation-from-23-feet-away
I get keyboards probably have more range, but i worry privacy was gone a long time ago.
I see they really wanted to fit the acronym to RAMBO, lol.
But it makes sense. Considering, we keep out mobile phones in around a metre's reach, it would be trivial to just get that information just from key sounds. Guess I better get one of those high frequency faraday cages, huh?
There are a few on audio, I saw one where they read HDMI over the air from 60 ft away.
I'd kinda like to see Bluetooth shored up a bit maybe require a tap to bind every day.
Wow! Was that stuff even EMCD compliant?
You can read the cables, you can read the transceivers in the video card, in a lot of the screens you can even read the panel changing itself.
Our ability is to remote sense EMF is absolutely ridiculous these days.
Then there's crap like the espionage where they change fan speeds. Or flash an infrared proximity sensor on a cell phone to exfiltrate data.
I thought that stuff went away with CRTs.
But I guess that makes sense. We could hear CRTs with out ears, now we just need more sensitive equipment.
Get a load of Ross Ulbricht ovah here!
Well, the main reason I do it every time is because I'm just too lazy to setup
pinentry.But yeah, for the Bluetooth keyboard, I realise I better get off it.