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Exploit.In
October 13, 2016
In late 2016, a huge list of email address and password pairs appeared in a "combo list" referred to as "Exploit.In". The list contained 593 million unique email addresses, many with multiple different passwords hacked from various online systems. The list was broadly circulated and used for "credential stuffing", that is attackers employ it in an attempt to identify other online systems where the account owner had reused their password. For detailed background on this incident, read Password reuse, credential stuffing and another billion records in Have I Been Pwned.
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Dunzo
June 19, 2020
In approximately June 2019, the Indian delivery service Dunzo suffered a data breach. Exposing 3.5 million unique email addresses, the Dunzo breach also included names, phone numbers and IP addresses which were all broadly distributed online via a hacking forum. The data was provided to HIBP by dehashed.com.
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Zhenai.com
December 21, 2011
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[ leak, misconfiguration, technology ]
In December 2011, the Chinese dating site known as Zhenai.com suffered a data breach that impacted 5 million subscribers. Whilst there is evidence that the data is legitimate, due to the difficulty of emphatically verifying the Chinese breach it has been flagged as "unverified". The data in the breach contains email addresses and plain text passwords. Read more about Chinese data breaches in Have I Been Pwned.
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Polish Credentials
May 29, 2023
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[ leak, malware ]
In May 2023, a credential stuffing list of 6.3M Polish email address and password pairs appeared on a local forum. Likely obtained by malware running on victims' machines, each record included an email address and plain text password alongside the website the credentials were used on. The data included 1.2M unique email addresses.
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XPG
January 1, 2016
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[ hack, technology ]
In approximately early 2016, the gaming website Xpgamesaves (XPG) suffered a data breach resulting in the exposure of 890k unique user records. The data contained email and IP addresses, usernames and salted MD5 hashes of passwords. The site was previously reported as compromised on the Vigilante.pw breached database directory. This data was provided by security researcher and data analyst, Adam Davies.
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Social Engineered
June 13, 2019
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[ hack, technology ]
In June 2019, the "Art of Human Hacking" site Social Engineered suffered a data breach. The breach of the MyBB forum was published on a rival hacking forum and included 89k unique email addresses spread across 55k forum users and other tables in the database. The exposed data also included usernames, IP addresses, private messages and passwords stored as salted MD5 hashes.
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Lumin PDF
April 1, 2019
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[ leak, misconfiguration, technology ]
In April 2019, the PDF management service Lumin PDF suffered a data breach. The breach wasn't publicly disclosed until September when 15.5M records of user data appeared for download on a popular hacking forum. The data had been left publicly exposed in a MongoDB instance after which Lumin PDF was allegedly been "contacted multiple times, but ignored all the queries". The exposed data included names, email addresses, genders, spoken language and either a bcrypt password hash or Google auth token. The data was provided to HIBP by a source who requested it be attributed to "JimScott.Sec@protonmail.com".
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KomplettFritid
February 1, 2021
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[ leak, misconfiguration, retail ]
In January 2023, the online Norwegian store KomplettFritid was reported as having had a data breach dating back to February 2021. The incident exposed 140k customer records including physical, email and IP addresses, names, phone numbers and passwords. Most passwords were stored as bcrypt hashes with a small number appearing in plain text.
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Internet Archive
September 28, 2024
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[ hack, technology ]
In September 2024, the digital library of internet sites Internet Archive suffered a data breach that exposed 31M records. The breach exposed user records including email addresses, screen names and bcrypt password hashes.
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AhaShare.com
May 30, 2013
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[ leak, misconfiguration, technology ]
In May 2013, the torrent site AhaShare.com suffered a breach which resulted in more than 180k user accounts being published publicly. The breach included a raft of personal information on registered users plus despite assertions of not distributing personally identifiable information, the site also leaked the IP addresses used by the registered identities.
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Thermomix Recipe World Forum
January 30, 2025
In January 2025, the Rezeptwelt (German for "recipe world") forum for Thermomix owners suffered a data breach. The incident exposed 3.1M registered users' details including names, email and physical addresses, phone numbers, dates of birth and bios (usually cooking related). The data was provided to HIBP by a source who requested it be attributed to "ayame@xmpp.jp".
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Teespring
April 1, 2020
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[ leak, retail ]
In April 2020, the custom printed apparel website Teespring suffered a data breach that exposed 8.2 million customer records. The data included email addresses, names, geographic locations and social media IDs.
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Technic
November 30, 2018
In November 2018, the Minecraft modpack platform known as Technic suffered a data breach. Technic promptly disclosed the breach and advised that the impacted data included over 265k unique users' email and IP addresses, chat logs, private messages and passwords stored as bcrypt hashes with a work factor of 13. Technic self-submitted the breach to HIBP.
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Quidd
July 1, 2019
In 2019, online marketplace for trading stickers, cards, toys, and other collectibles Quidd suffered a data breach. The breach exposed almost 4 million users' email addresses, usernames and passwords stored as bcrypt hashes. The data was subsequently sold then redistributed extensively via hacking forums.
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KM.RU
February 29, 2016
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[ leak, technology ]
In February 2016, the Russian portal and email service KM.RU was the target of an attack which was consequently detailed on Reddit. Allegedly protesting "the foreign policy of Russia in regards to Ukraine", KM.RU was one of several Russian sites in the breach and impacted almost 1.5M accounts including sensitive personal information.
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Epik
September 13, 2021
In September 2021, the domain registrar and web host Epik suffered a significant data breach, allegedly in retaliation for hosting alt-right websites. The breach exposed a huge volume of data not just of Epik customers, but also scraped WHOIS records belonging to individuals and organisations who were not Epik customers. The data included over 15 million unique email addresses (including anonymised versions for domain privacy), names, phone numbers, physical addresses, purchases and passwords stored in various formats.
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Duowan.com
January 1, 2011
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[ leak, misconfiguration, technology ]
In approximately 2011, data was allegedly obtained from the Chinese gaming website known as Duowan.com and contained 2.6M accounts. Whilst there is evidence that the data is legitimate, due to the difficulty of emphatically verifying the Chinese breach it has been flagged as "unverified". The data in the breach contains email addresses, user names and plain text passwords. Read more about Chinese data breaches in Have I Been Pwned.
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CityJerks
February 27, 2023
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[ hack, leak ]
In early 2023, the "mutual masturbation" website CityJerks suffered a data breach that exposed 177k unique email addresses. The breach also included data from the TruckerSucker "dating app for REAL TRUCKERS and REAL MEN" with the combined corpus of data also exposing usernames, IP addresses, dates of birth, sexual orientations, geo locations, private messages between members and passwords stored as salted MD5 hashes. The data was listed on a public hacking site and provided to HIBP by a source who requested it be attributed to "discord.gg/gN9C9em".
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Avast
May 26, 2014
In May 2014, the Avast anti-virus forum was hacked and 423k member records were exposed. The Simple Machines Based forum included usernames, emails and password hashes.
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TheTVDB.com
November 21, 2017
In November 2017, the open television database known as TheTVDB.com suffered a data breach. The breached data was posted to a hacking forum and included 182k records with usernames, email addresses and MySQL password hashes.
