Security and Communication Networks

Research Article

Understanding Offline Password-Cracking Methods: A Large-Scale Empirical Study

Table 1

Basic information of password datasets.
DatasetLanguageWeb serviceLeaked yearPassword number
163ChineseEmail2015116,503,433
DuduniuChineseInternet service201115,987,361
178ChineseGaming20119,049,058
CSDNChineseProgrammer forum20116,413,632
SinaweiboChineseSocial forum20114,550,235
DuowanChineseGaming20113,908,495
RockyouEnglishSocial forum200932,585,350
000WebhostEnglishWeb hosting201515,203,342
XatoEnglishBlog20159,997,887
GmailEnglishEmail20144,800,930
YahooEnglishWeb portal2012442,836
PhpbbEnglishProgrammer forum2009255,376
Total number   219,697,935