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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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[–] azertyfun@sh.itjust.works 13 points 11 months ago* (last edited 11 months ago)

This has been a known attack vector for years, and I wonder how no livestreamer has been (publicly) attacked in this way.

I guess in large part this can be attributed to 2FA, passwords just aren't worth much by themselves anymore (well I guess if someone is quick enough they can snipe the OTP as well, but streamers are rarely entering their 2FA while streaming since they're on a trusted device).

In fact the biggest attack vector I'd worry about is the infamous SMS 2FA, which is actually 1FA for password resets, which is actually 0FA "yes dear phone operator I am indeed Mister Beast please move my phone number to this new SIM".