Some of the latest research on this technique: Fast, Lean, and Accurate: Modeling Password Guessability Using Neural Networks https://www.ece.cmu.edu/~lbauer/p

Some of the latest research on this technique: Fast, Lean, and Accurate: Modeling Password Guessability Using Neural Networks https://www.ece.cmu.edu/~lbauer/papers/2016/usenixsec2016-neural-passwords.pdf https://www.ece.cmu.edu/~lbauer/papers/2016/usenixsec2016-ne...