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Boffins convert typing sounds into text with 95% accuracy (www.theregister.com)

submitted 11 months ago by kpw@kbin.social to c/technology@lemmy.world

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Researchers in the UK claim to have translated the sound of laptop keystrokes into their corresponding letters with 95 percent accuracy in some cases.

That 95 percent figure was achieved with nothing but a nearby iPhone. Remote methods are just as dangerous: over Zoom, the accuracy of recorded keystrokes only dropped to 93 percent, while Skype calls were still 91.7 percent accurate.

In other words, this is a side channel attack with considerable accuracy, minimal technical requirements, and a ubiquitous data exfiltration point: Microphones, which are everywhere from our laptops, to our wrists, to the very rooms we work in.

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[–] NAXLAB@lemmy.world 37 points 11 months ago (9 children)

I think I might have achieved security through obscurity. My custom keyboard is a unique shape and almost all the keys are one unit. Not only is it different enough from a traditional keyboard that the neural network probably won't understand it, the function layers I use obscure whether I'm typing a letter at all.

[–] Outsider9042@lemmy.world 32 points 11 months ago (8 children)

Good luck listening to mine

[–] ReveredOxygen@sh.itjust.works 3 points 11 months ago (2 children)

What keyboard is it, corne? I have to admit that your keycaps are incredibly cursed, how you have mixed caps from different layers

[–] Outsider9042@lemmy.world 5 points 11 months ago (1 children)

It’s a chocofi.

CTGAP on the base layer, and 6 layers on top of it, using a heavily modified version of Miryoku.

Most of the keycaps are correct, just for different layers. It helps prevent key peeking, plus I like the cursed aesthetic.

[–] ReveredOxygen@sh.itjust.works 2 points 11 months ago* (last edited 11 months ago)

that's a surprisingly cheap keyboard. I ended up ordering a zsa voyager a couple days ago because I wanted keys, but I couldn't find any prebuilt split keyboards that had a base configuration below like $350. I might end up going with cursed keys on mine, it looks pretty cool

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