Feross 🧙🏼‍♂️✨ on Twitter: "Detect pressed keys via microphone audio capture in real-time. Uses training data captured by typing first. Very neat! https://t.co/fIVbftye7D Based on ideas in this classic traffic analysis paper: Timing Analysis of Keystrokes and Timing Attacks on SSH https://t.co/9r3gLRZIDg… https://t.co/2JbnCPE4yT"

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‏ @feross

Detect pressed keys via microphone audio capture in real-time. Uses training data captured by typing first. Very neat! https://github.com/ggerganov/kbd-audio … Based on ideas in this classic traffic analysis paper: Timing Analysis of Keystrokes and Timing Attacks on SSH https://people.eecs.berkeley.edu/~daw/papers/ssh-use01.pdf …pic.twitter.com/IIWij54jlK

11:05 PM - 28 Nov 2018

1,996 Retweets
3,938 Likes

48 replies 1,996 retweets 3,938 likes

1. Feross ‏ @feross 28 Nov 2018
  Replying to @DiegoRtweet @seanjtaylor
  
  Wow, no I hadn't seen that. Thanks for sharing!
  
  4 likes
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1. 1 more reply
1. butterSoft‏ @_butterSoft 29 Nov 2018
  Replying to @feross
  
  ugh! so we are being key logged thru our laptop microphones now.pic.twitter.com/Wi1jtMb7y8
  
  2 retweets 11 likes
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1. Sardoche‏Verified account @Sardoche_Lol 28 Nov 2018
  Replying to @feross
  
  So damn smart
  
  1 retweet 10 likes
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1. leeand00‏ @leeand00 1 Dec 2018
  Replying to @feross
  
  This has actually been around a really long time...the the Russians used something like this to determine what was being typed in Diplomat type writers:https://arstechnica.com/information-technology/2015/10/how-soviets-used-ibm-selectric-keyloggers-to-spy-on-us-diplomats/ …
  
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1. UrsusMaritimus‏ @ursus_marit 29 Nov 2018
  Replying to @feross @seanjtaylor
  
  I’m never typing anything in public again.
  
  7 likes
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1. John Son‏ @ygctw 28 Nov 2018
  Replying to @feross @BrendanEich
  
  Terrifying
  
  7 likes
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1. Jamie Birch‏ @LinguaBrowse 29 Nov 2018
  Replying to @feross
  
  So it uses the latency between keypresses to predict how far apart the keys must have been. Uses HMM & Viterbi, like ChaSen (@taku910), so it's reminiscent of a predictive keyboard. To guard against this attack, type unusually: i.e. one-handed, or with pauses between keypresses.
  
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1. decentralised‏ @dommoore 29 Nov 2018
  Replying to @feross @jamie247
  
  @metaquestions @DugCampbell @N1ckLambert worth a look
  
  5 likes
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