On December 21, 2011, an unknown hacker released over 6 million accounts from one of the largest site for programmers in China, CSDN (short for China Software Developer Network), operated by Bailian Midami Digital Technology. Despite effort from CSDN users in using strong passwords, it is unfortunate that the database itself stored the user data including passwords in cleartext.


The news in English was first announced by The Hacker News but the leak may have been released a day earlier judging from comments posted on several Chinese sites. The release was made available via a Thunder link and alternative download link was also made available from a Chinese file sharing site, CTdisk, but the file has been removed since. The table below is the list of the leaked accounts with the passwords removed.



UPDATE (December 22, 2011): Six more Chinese sites are said to be hacked with their user data leaked following the CSDN leak. The sites include 7K7K (20M accounts), Duduniu (66K accounts), 178.com, Duowan, Mop (10M accounts) and Renren (5M accounts). These leaks are not shown in the table below.


What should you do?
Use the search box below to find out if your email is in the list. If yes, you are advised to change your password immediately if it is still in use elsewhere. For your privacy, do not enter your complete email in the search box. Try using the first part of your email instead, e.g. example instead of example@domain.com.

If you wish to have your entry removed from the list below, please send an empty email to disclosure@dazzlepod.com with subject "csdn removal request". The removal is done automatically within 24 hours if you use the same email as the one appeared in the list. This page may be cached for up to 24 hours.


Search
e.g. example@domain.com, example
Page 1 of 32129 (6425723)
ID Email / Username Password
1 zdg@csdn.net ***
2 chengming_zheng@163.com ***
3 fstao@tom.com ***
4 hujiye@263.net ***
5 ccedcjl@21cn.com ***
6 songmail@21cn.com ***
7 appollp@netease.com ***
8 junlu@peoplemail.com.cn ***
9 jinbuhuan@163.net ***
10 fwg@jxfw.com ***
11 mainroad@public.cta.cq.cn ***
12 priver1999@netease.com ***
13 leigong@21cn.com ***
14 chzhy1@263.net ***
15 chzhy1@263.net ***
16 rss@tjmail.com ***
17 alan-x@21cn.com ***
18 aquila@21cn.com ***
19 onion_hm@sina.com ***
20 zava@163.net ***
21 players@21cn.com ***
22 deng_lp@sina.com ***
23 wanpost@yahoo.com.cn ***
24 lhxu@wx88.net ***
25 louis40@sina.com ***
26 hexi_delphi@chinaren.com ***
27 hnxjwy@371.net ***
28 wang_jz@21cn.com ***
29 wbank@163.com ***
30 liaomy@sina.com ***
31 wuqiao123@263.net ***
32 jwsoft@263.net ***
33 lotte@21cn.com ***
34 chenlq@263.net ***
35 barton@263.net ***
36 aswind@188.net ***
37 caili@iname.com ***
38 util@21cn.com ***
39 qwer@263.net ***
40 webmasterr@csdn.net ***
41 liumingkun@public.nc.jx.cn ***
42 lxc@zr.dq.cnpc.com.cn ***
43 fine21cn@21cn.com ***
44 flyinghu@188.net ***
45 cantsong@public.szonline.net ***
46 cxf_idc@163.net ***
47 zhuyan@263.net ***
48 lpzhang@263.net ***
49 little_genius@km169.net ***
50 boyxiang@kali.com.cn ***
51 jr@netease.com ***
52 pcsoftdiy@yahoo.com ***
53 bearold@163.com ***
54 zjning@flink.net.cn ***
55 lilin77@21cn.com ***
56 delphicoder@21cn.com ***
57 chk@163.net ***
58 jackaly@21cn.com ***
59 lcx119@21cn.com ***
60 softquery@yeah.net ***
61 teapot@netease.com ***
62 kujile@263.net ***
63 jxl11jxl@371.net ***
64 shuiquan@21cn.com ***
65 meng_1226@tjmail.com ***
66 wwtree@sina.com ***
67 spring_x@263.net ***
68 shaohua1@163.net ***
69 LandyKiller@990.net ***
70 jamstang@163.com ***
71 kivin@vip.sina.com ***
72 shen502@cableplus.com.cn ***
73 nzliuyj@263.net ***
74 abc@csdn.net ***
75 jing127@sina.com ***
76 cuiming73@263.net ***
77 fromeast@ynmail.com ***
78 chillkwanjane@netease.com ***
79 wuhc99@cmmail.com ***
80 jimy@fjau.edu.cn ***
81 wgsvc@263.net ***
82 ijrbhd@djfgkkyybnvddj.com ***
83 Firing_Sky@ynmail.com ***
84 caokaichao@990.net ***
85 eshyu@21cn.com ***
86 tlovexyj@163.net ***
87 czhp@sina.com ***
88 qqccdd@163.net ***
89 mac@aiatech.net ***
90 sunsun@pub.xaonline.com ***
91 xljg@163.net ***
92 sllihui@21cn.com ***
93 zxxf@990.net ***
94 menxin@21cn.com ***
95 xtech@21cn.com ***
96 yanjingchun@263.net ***
97 zhangguangcheng@21cn.com ***
98 jh-zhang@ejiahe.com ***
99 c1005@email.com.com ***
100 oldidler@china.com ***
101 moxa@21cn.com ***
102 boluo@liang.com.cn ***
103 hansxia@126.com ***
104 amo@people.com.cn ***
105 rain_h@21cn.com ***
106 yjmao@163.net ***
107 lighttop@21cn.com ***
108 hmaik@163.net ***
109 yehao2000@sina.com ***
110 webptg@etang.net ***
111 zygtw@263.net ***
112 muti@263.net ***
113 feehoo@sina.com ***
114 lyt328@pub.xz.jsinfo.net ***
115 lvbintao@263.net ***
116 xxc@371.net ***
117 e.w@263.net ***
118 wdmlm@163.net ***
119 zqlcch@ynmail.com ***
120 woodmail@21cn.com ***
121 flyingpeng@263.net ***
122 huangliyuan@cmmail.com ***
123 tingkk@21cn.com ***
124 masongtao@263.net ***
125 cqdongdong@163.net ***
126 wangd@mail.hunu.edu.cn ***
127 xalion@163.net ***
128 jiang7102@hotmail.com ***
129 bookfeng@sina.com ***
130 kiangwu@hotmail.com ***
131 michaelyang@21cn.com ***
132 hujianxing@263.net ***
133 mailoflujin@163.net ***
134 yuyiw@21cn.com ***
135 teapot@netease.com ***
136 yufengchen@sohu.com ***
137 new_power@263.net ***
138 demon@wang.com.cn ***
139 3721@163.net ***
140 Taylor_ch@hotmail.com ***
141 larryh@263.net ***
142 caoyl@163.net ***
143 whf2@990.net ***
144 sunjerry@990.net ***
145 tengel@netease.com ***
146 zhds@west163.com ***
147 cocoa@263.net ***
148 litg1972@soim.net ***
149 sunpeng@shsc.com.cn ***
150 hycs@163.com ***
151 gsfxm@163.net ***
152 hyh@yamido.com ***
153 lifeng56@163.net ***
154 jiangjuman@sina.com ***
155 iamafraid@netease.com ***
156 sequoia@263.net ***
157 bruce99@21cn.com ***
158 gongguoh@163.net ***
159 kxy@csdn.net ***
160 shen@kalsoft.online.sh.cn ***
161 genewoo@vip.sina.com ***
162 rose0033@sina.com ***
163 txwanghui@263.net ***
164 00123@188.net ***
165 zhengyajie@sina.com ***
166 jansenzhu@sina.com.cn ***
167 bamyl@etang.com ***
168 yxcloud@km169.net ***
169 volans2k@21cn.com ***
170 hubdog@Chinaren.com ***
171 zhangwg@shmu.edu.cn ***
172 bruin@263.net ***
173 publicmail@163.net ***
174 netswordsman@263.net ***
175 aspsoft@163.com ***
176 xzc@kingstargroup.com.cn ***
177 hbzhang@talent.com.cn ***
178 hnmc_cn@sina.com ***
179 zwhmail@etang.com ***
180 littlesong73@163.com ***
181 hxz_mail@188.net ***
182 shenchen@public.fhnet.cn.net ***
183 freethinker@btamail.net.cn ***
184 604sworder@sina.com ***
185 gaven_yeung@163.net ***
186 neverlate@sohu.com ***
187 huibo@online.sh.cn ***
188 hebusiness@263.net ***
189 wutwang@etang.com ***
190 xinyue_@371.net ***
191 wanghao@bjfao.gov.cn ***
192 nicklu@cmmail.com ***
193 zxjiang@telekbird.com.cn ***
194 ghl@km169.net ***
195 art66@263.net ***
196 wjs731024@263.net ***
197 jase@pezhip.yok.utu.fi ***
198 watercat@21cn.com ***
199 wulianmin@21cn.com ***
200 hejie@163.net ***
Page 1 of 32129 (6425723)


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Dazzlepod is in no way associated with individual or group that has originally leaked the information disclosed on this page. This disclosure is brought to the public to allow affected users to be aware of the leak and take the appropriate steps to secure their accounts and personal information.