Modified Password Guessing Methods Based on TarGuess-I

Table 7

Training and test settings for each attacking scenario under 9 models.

Password guessing model	,, , ,, , , , ,
Training sets	12306, Youku
Testing sets	Aipai	Tinya	Senda	Dodon
tag with top-300^#	Senda’s	Youku’s	Youku’s	Senda’s
tag with top-300	Aipai’s	Tinya’s	Senda’s	Dodon’s

TG-I: . The superscript of each model represents the improved tags it has added; ^# tag is in the optimal condition that attackers have got the target site’s top-300 popular password list, while tag is in the normal condition that attackers only have the similar site’s top-300 with target one.