Modified Password Guessing Methods Based on TarGuess-I

Table 4

Component form distribution of the top- popular passwords (Compos: composite).

Form	Aipai	Tinya	Senda	Dodon	Youku	12306
Alpha	14.73%	10.89%	15.24%	11.46%	13.49%	7.21%
Digit	59.52%	63.12%	66.07%	39.17%	65.9%	46.93%
Symbol	0%	0.05%	0.02%	0.01%	0.08%	0.05%
Compos	25.75%	25.94%	18.67%	49.33%	20.53%	45.81%