Data breaches that exposed usernames

The largest breaches that exposed usernames

1. ALIEN TXTBASE
   6,126,630,067 accounts·2025-02-15
   • email
   • password
   • url
   • phone_number
   • username
2. MySpacemyspace.com
   673,092,586 accounts·2008-07-01
   • Email addresses
   • Passwords
   • Usernames
3. Wattpadwattpad.com
   585,423,276 accounts·2020-06-29
   • Bios
   • Dates of birth
   • Email addresses
   • Genders
   • Geographic locations
   • +6
4. Deezerdeezer.com
   456,764,474 accounts·2019-04-22
   • Dates of birth
   • Email addresses
   • Genders
   • Geographic locations
   • IP addresses
   • +3
5. Twitter.com (scraping data)Twitter.com (scraping data)
   423,004,716 accounts·2022-01-01
   • email
   • name_full
   • username
6. TelegramCombolists
   361,468,099 accounts·2024-05-28
   • Email addresses
   • Passwords
   • Usernames
7. Walmart.comWalmart.com
   360,193,700 accounts·2018-01-01
   • email
   • username
   • hashed_password
8. AdultFriendFinderadultfriendfinder.com
   346,877,352 accounts·2015-05-21
   • Dates of birth
   • Email addresses
   • Genders
   • Geographic locations
   • IP addresses
   • +5
9. AdultFriendFinder2016adultfriendfinder.com
   346,877,352 accounts·2016-10-16
   • Email addresses
   • Passwords
   • Spoken languages
   • Usernames
10. Canvacanva.com
    291,017,746 accounts·2019-05-24
    • Email addresses
    • Geographic locations
    • Names
    • Passwords
    • Usernames
11. Nihonomarunihonomaru.net
    287,898,958 accounts·2015-12-01
    • Email addresses
    • IP addresses
    • Passwords
    • Usernames
12. MyFitnessPalmyfitnesspal.com
    277,673,244 accounts·2018-02-01
    • Email addresses
    • IP addresses
    • Passwords
    • Usernames
13. Scriptnull.comScriptnull.com
    270,884,318 accounts·Date unknown
    • username
    • hashed_password
    • email
    • ip_address
    • name_full
    • +7
14. Badoobadoo.com
    247,255,772 accounts·2013-06-01
    • Dates of birth
    • Email addresses
    • Genders
    • Names
    • Passwords
    • +1
15. Zyngazynga.com
    216,595,064 accounts·2019-09-01
    • Email addresses
    • Passwords
    • Phone numbers
    • Usernames
16. Twitter200Mtwitter.com
    211,524,284 accounts·2021-01-01
    • Email addresses
    • Names
    • Social media profiles
    • Usernames
17. Dailymotiondailymotion.com
    169,754,376 accounts·2016-10-20
    • Email addresses
    • Passwords
    • Usernames
18. Dubsmashdubsmash.com
    161,749,950 accounts·2018-12-01
    • Email addresses
    • Geographic locations
    • Names
    • Passwords
    • Phone numbers
    • +2
19. Adobeadobe.com
    152,445,165 accounts·2013-10-04
    • Email addresses
    • Password hints
    • Passwords
    • Usernames
20. YingjieSheng.comYingjieSheng.com
    141,638,093 accounts·Date unknown
    • name_full
    • username
    • hashed_password
    • email
    • phone_number
21. Fotor.comFotor.com
    137,526,120 accounts·2020-01-01
    • email
    • phone_number
    • username
    • name_full
    • name_first
    • +4
22. Gravatar
    113,990,759 accounts·2020-10-03
    • Email addresses
    • Names
    • Usernames
23. iMeshimesh.com
    100,367,262 accounts·2013-09-22
    • Email addresses
    • IP addresses
    • Passwords
    • Usernames
24. 1Win Partners
    97,098,022 accounts·2024-11-01
    • email
    • phone_number
    • name_full
    • hashed_password
    • address_country
    • +5
25. Ramblerrambler.ru
    91,436,280 accounts·2014-03-01
    • Email addresses
    • Passwords
    • Usernames
26. Selly.vnSelly.vn
    91,173,991 accounts·2022-01-01
    • username
    • email
    • hashed_password
    • name_full
    • birthdate_full
    • +3
27. Edmodoedmodo.com
    86,802,532 accounts·2017-05-11
    • Email addresses
    • Passwords
    • Usernames
28. Poshmarkposhmark.com
    83,260,522 accounts·2018-05-16
    • Email addresses
    • Genders
    • Geographic locations
    • Names
    • Passwords
    • +1
29. Flingfling.com
    81,448,986 accounts·2011-03-10
    • Dates of birth
    • Email addresses
    • Genders
    • Geographic locations
    • IP addresses
    • +6
30. Cheggchegg.com
    79,455,230 accounts·2018-04-28
    • Email addresses
    • Names
    • Passwords
    • Usernames
31. Lastfmlast.fm
    78,630,418 accounts·2012-03-22
    • Email addresses
    • Passwords
    • Usernames
    • Website activity
32. JDjd.com
    77,449,341 accounts·2013-01-01
    • Email addresses
    • Passwords
    • Phone numbers
    • Usernames
33. AnimalJamanimaljam.com
    76,726,040 accounts·2020-10-12
    • Dates of birth
    • Email addresses
    • Genders
    • IP addresses
    • Names
    • +3
34. Neopetsneopets.com
    68,538,560 accounts·2013-05-05
    • Dates of birth
    • Email addresses
    • Genders
    • Geographic locations
    • IP addresses
    • +3
35. Sminecraft
    68,538,560 accounts·2019-11-01
    • username
    • password
    • email
    • birthdate_full
    • address_country
    • +2
36. SoundCloudsoundcloud.com
    59,702,616 accounts·2025-12-15
    • Avatars
    • Email addresses
    • Geographic locations
    • Names
    • Profile statistics
    • +1
37. LiveJournallivejournal.com
    59,697,948 accounts·2017-01-01
    • Email addresses
    • Passwords
    • Usernames
38. Evonyevony.com
    57,840,072 accounts·2016-06-01
    • Email addresses
    • IP addresses
    • Passwords
    • Usernames
39. Ueber18.deUeber18.de
    57,554,833 accounts·2016-12-01
    • username
    • email
    • hashed_password
40. ThePostMillennialthepostmillennial.com
    56,973,345 accounts·2024-05-02
    • Email addresses
    • Genders
    • IP addresses
    • Names
    • Passwords
    • +3
41. Tianyatianya.cn
    56,966,476 accounts·2011-12-26
    • Email addresses
    • Names
    • Usernames
42. Taringataringa.net
    56,567,098 accounts·2017-08-01
    • Email addresses
    • Passwords
    • Usernames
43. Mate1mate1.com
    54,441,876 accounts·2016-02-29
    • Astrological signs
    • Dates of birth
    • Drinking habits
    • Drug habits
    • Education levels
    • +20
44. Gfycat.comGfycat.com
    51,733,979 accounts·Date unknown
    • username
    • name_first
    • name_last
    • hashed_password
    • email
    • +6
45. DivXSubTitlesdivxsubtitles.net
    51,310,727 accounts·2010-01-01
    • Email addresses
    • Passwords
    • Usernames
46. Houzzhouzz.com
    48,881,308 accounts·2018-05-23
    • Email addresses
    • Geographic locations
    • IP addresses
    • Names
    • Passwords
    • +2
47. Fotologfotolog.com
    48,306,568 accounts·2018-12-01
    • Email addresses
    • Passwords
    • Usernames
48. Twittertwitter.com
    47,400,178 accounts·2022-01-01
    • Bios
    • Email addresses
    • Geographic locations
    • Names
    • Phone numbers
    • +2
49. R2-2017r2games.com
    45,530,532 accounts·2017-01-01
    • Email addresses
    • Passwords
    • Usernames
    • Website activity
50. R2Gamesr2games.com
    45,530,532 accounts·2015-11-01
    • Email addresses
    • IP addresses
    • Passwords
    • Usernames
51. piZappizap.com
    41,817,893 accounts·2017-12-07
    • Email addresses
    • Genders
    • Geographic locations
    • Names
    • Passwords
    • +3
52. RewardStyle.comRewardStyle.com
    41,028,089 accounts·2020-06-01
    • name_full
    • username
    • email
    • hashed_password
    • birthdate_full
    • +1
53. NaughtyAmericanaughtyamerica.com
    40,769,653 accounts·2016-03-14
    • Dates of birth
    • Email addresses
    • IP addresses
    • Passwords
    • Usernames
    • +1
54. YouNowyounow.com
    40,224,399 accounts·2019-02-15
    • Email addresses
    • IP addresses
    • Names
    • Social media profiles
    • Usernames
55. ReadNovelreadnovel.com
    38,144,928 accounts·2019-05-01
    • Email addresses
    • Genders
    • Passwords
    • Phone numbers
    • Usernames
56. GFANgfan.com
    38,048,468 accounts·2016-10-10
    • Email addresses
    • IP addresses
    • Passwords
    • Usernames
57. EyeEmeyeem.com
    36,656,598 accounts·2018-02-28
    • Bios
    • Email addresses
    • Names
    • Passwords
    • Usernames
58. MSPAforums.comMSPAforums.com
    33,726,801 accounts·2016-02-01
    • email
    • username
    • url
    • password
59. Fotostrana.ruFotostrana.ru
    33,514,503 accounts·Date unknown
    • username
    • birthdate_full
    • email
    • hashed_password
60. Zomatozomato.com
    32,948,470 accounts·2017-05-17
    • Email addresses
    • Passwords
    • Usernames
61. Tunngletunngle.net
    32,474,706 accounts·2016-07-01
    • Email addresses
    • IP addresses
    • Passwords
    • Usernames
62. InternetArchivearchive.org
    31,081,179 accounts·2024-09-28
    • Email addresses
    • Passwords
    • Usernames
63. Disqusdisqus.com
    30,997,416 accounts·2012-07-01
    • Email addresses
    • Passwords
    • Usernames
64. AshleyMadisonashleymadison.com
    30,811,934 accounts·2015-07-19
    • Dates of birth
    • Email addresses
    • Ethnicities
    • Genders
    • Names
    • +8
65. LuminPDFluminpdf.com
    29,938,298 accounts·2019-04-01
    • Auth tokens
    • Email addresses
    • Genders
    • Names
    • Passwords
    • +2
66. Trellotrello.com
    28,101,752 accounts·2024-01-16
    • Email addresses
    • Names
    • Usernames
67. 500px500px.com
    27,866,290 accounts·2018-07-05
    • Dates of birth
    • Email addresses
    • Genders
    • Geographic locations
    • Names
    • +2
68. Weddbook.comWeddbook.com
    27,403,959 accounts·2020-03-01
    • username
    • name_first
    • name_last
    • birthdate_full
    • email
    • +1
69. StockXstockx.com
    26,860,828 accounts·2019-07-26
    • Email addresses
    • Names
    • Passwords
    • Physical addresses
    • Purchases
    • +1
70. CrossFirecfire.mail.ru
    26,811,732 accounts·2016-08-08
    • Email addresses
    • Passwords
    • Usernames
71. LAUSD - Los Angeles Unified School District
    26,586,648 accounts·2024-06-01
    • birthdate_full
    • name_first
    • name_middle
    • name_last
    • name_suffix
    • +14
72. Hjeddhjedd.com
    26,383,596 accounts·2022-07-18
    • Email addresses
    • IP addresses
    • Passwords
    • Usernames
73. QIPqip.ru
    26,183,992 accounts·2011-06-01
    • Email addresses
    • Passwords
    • Usernames
    • Website activity
74. VNGzing.vn
    24,853,850 accounts·2015-05-19
    • Dates of birth
    • Email addresses
    • Genders
    • IP addresses
    • Marital statuses
    • +6
75. Colisprive.frColisprive.fr
    23,885,536 accounts·2025-11-01
    • Passwords
    • Email addresses
    • Usernames
76. Mangatoonmangatoon.mobi
    23,040,238 accounts·2022-05-13
    • Auth tokens
    • Avatars
    • Email addresses
    • Genders
    • Names
    • +3
77. Webkinz
    22,982,320 accounts·2020-04-01
    • username
    • hashed_password
78. Forums.gre.netForums.gre.net
    22,699,934 accounts·Date unknown
    • username
    • email
    • hashed_password_with_salt
    • ip_address
79. TodoTorrents.comTodoTorrents.com
    22,694,602 accounts·Date unknown
    • username
    • email
    • ip_address
    • hashed_password
    • hashed_password_salt_only
80. ArmorGamesarmorgames.com
    21,400,376 accounts·2019-01-01
    • Bios
    • Dates of birth
    • Email addresses
    • Genders
    • Geographic locations
    • +3
81. TGBUStgbus.com
    21,256,088 accounts·2017-09-01
    • Email addresses
    • Passwords
    • Usernames
82. LovePlanet.ruLovePlanet.ru
    20,076,502 accounts·2023-08-06
    • email
    • username
    • password
83. Wishbonewishbone.io
    19,946,986 accounts·2016-08-07
    • Auth tokens
    • Dates of birth
    • Email addresses
    • Genders
    • Names
    • +2
84. Wishbone2020wishbone.io
    19,946,986 accounts·2020-01-27
    • Auth tokens
    • Dates of birth
    • Email addresses
    • Genders
    • Geographic locations
    • +7
85. Stripchatstripchat.com
    19,718,826 accounts·2021-11-05
    • Email addresses
    • IP addresses
    • Usernames
86. DailyQuizdailyquiz.me
    19,693,738 accounts·2021-01-13
    • Email addresses
    • IP addresses
    • Passwords
    • Usernames
87. Lifeboatlbsg.net
    19,641,818 accounts·2016-01-01
    • Email addresses
    • Passwords
    • Usernames
88. Syscosysco.com
    19,539,786 accounts·2026-06-15
    • Customer feedback
    • Email addresses
    • Employers
    • Job titles
    • Names
    • +3
89. Jefitjefit.com
    19,223,038 accounts·2020-08-11
    • Email addresses
    • IP addresses
    • Passwords
    • Usernames
90. Kroobannok.comKroobannok.com
    19,217,978 accounts·2020-11-01
    • username
    • hashed_password
    • email
    • address_full
    • social
    • +1
91. Bitlybitly.com
    18,621,124 accounts·2014-05-08
    • Email addresses
    • Passwords
    • Usernames
92. HIAPKhiapk.com
    18,135,526 accounts·2014-01-01
    • Email addresses
    • Passwords
    • Usernames
93. Scenesat.comScenesat.com
    17,973,712 accounts·2017-01-01
    • username
    • email
    • hashed_password
    • hashed_password_salt_only
94. Zackszacks.com
    17,745,036 accounts·2020-05-10
    • Email addresses
    • Names
    • Passwords
    • Phone numbers
    • Physical addresses
    • +1
95. Zacks2024zacks.com
    17,745,036 accounts·2024-06-22
    • Email addresses
    • IP addresses
    • Names
    • Passwords
    • Phone numbers
    • +2
96. Zacks.com (2024)Zacks.com (2024)
    17,744,624 accounts·2024-06-01
    • email
    • username
    • hashed_password
    • name_first
    • name_last
    • +8
97. WeHeartItweheartit.com
    17,218,752 accounts·2013-11-03
    • Email addresses
    • Passwords
    • Usernames
98. ixigoixigo.com
    17,204,697 accounts·2019-01-03
    • Auth tokens
    • Device information
    • Email addresses
    • Genders
    • Names
    • +5
99. TaiLieutailieu.vn
    16,385,846 accounts·2019-11-24
    • Dates of birth
    • Email addresses
    • Genders
    • Geographic locations
    • Names
    • +3
100. 123RF123rf.com
     15,902,032 accounts·2020-03-22
     • Email addresses
     • IP addresses
     • Names
     • Passwords
     • Phone numbers
     • +2

Showing the 100 largest of 953 breaches. Browse the full breach registry