Doxbin
January 5, 2022
•[ leak, hack ]
In January 2022, the "doxing" website designed to disclose the personal information of targeted individuals ("doxes") Doxbin suffered a data breach. The breach was subsequently leaked online and included over 370k unique email addresses across user accounts and doxes. User accounts also included usernames, password hashes and browser user agents. The personal information disclosed in the doxes was often extensive including names, physical addresses, phone numbers and more.
xHamster
November 28, 2016
•[ hack, malware, technology ]
In November 2016, news broke that hackers were trading hundreds of thousands of xHamster porn account details. In total, the data contained almost 380k unique user records including email addresses, usernames and unsalted MD5 password hashes.
Real Estate Mogul
September 6, 2016
•[ hack, misconfiguration, finance ]
In September 2016, the real estate investment site Real Estate Mogul had a Mongo DB instance compromised and 5GB of data downloaded by an unauthorised party. The data contained real estate listings including addresses and the names, phone numbers and 308k unique email addresses of the sellers. Real Estate Mogul was advised of the incident in September 2018 and stated that they "found no instance of user account credentials like usernames and passwords nor billing information within this file".
OGUsers (2021 breach)
April 11, 2021
•[ hack, misconfiguration ]
In April 2021, the account hijacking and SIM swapping forum OGusers suffered a data breach, the fourth since December 2018. The breach was subsequently sold on a rival hacking forum and contained usernames, email and IP addresses and passwords stored as either salted MD5 or argon2 hashes. A total of 348k unique email addresses appeared in the breach.
NVIDIA
February 23, 2022
•[ hack, malware, technology ]
In February 2022, microchip company NVIDIA suffered a data breach that exposed employee credentials and proprietary code. Impacted data included over 70k employee email addresses and NTLM password hashes, many of which were subsequently cracked and circulated within the hacking community.
Hacking Team
July 6, 2015
•[ hack, technology ]
In July 2015, the Italian security firm Hacking Team suffered a major data breach that resulted in over 400GB of their data being posted online via a torrent. The data searchable on "Have I Been Pwned?" is from 189GB worth of PST mail folders in the dump. The contents of the PST files is searchable on Wikileaks.
Edmodo
May 11, 2017
•[ leak, hack, education ]
In May 2017, the education platform Edmodo was hacked resulting in the exposure of 77 million records comprised of over 43 million unique customer email addresses. The data was consequently published to a popular hacking forum and made freely available. The records in the breach included usernames, email addresses and bcrypt hashes of passwords.
Fantasy Football Hub
October 2, 2021
•[ hack, misconfiguration, technology ]
In October 2021, the fantasy premier league (soccer) website Fantasy Football Hub suffered a data breach that exposed 66 thousand unique email addresses. The data included names, usernames, IP addresses, transactions and passwords stored as WordPress MD5 hashes.
Scholastic
January 8, 2025
•[ hack, education ]
In January 2025, a data breach of the publishing company Scholastic surfaced. The breach contained 4.2M unique email addresses with many of the records also including name, phone number and physical address.
Black Hat World
June 23, 2014
•[ hack, sqlinjection, technology ]
In June 2014, the search engine optimisation forum Black Hat World had three quarters of a million accounts breached from their system. The breach included various personally identifiable attributes which were publicly released in a MySQL database script.
vBulletin
November 3, 2015
•[ hack, technology ]
In November 2015, the forum software maker vBulletin suffered a serious data breach. The attack lead to the release of both forum user and customer accounts totalling almost 519k records. The breach included email addresses, birth dates, security questions and answers for customers and salted hashes of passwords for both sources.
IDC Games
March 15, 2021
•[ leak, hack, technology ]
In March 2021, 4 million records sourced from IDC Games were shared on a public hacking forum. The data included usernames, email addresses and passwords stored as salted MD5 hashes.
EpicBot
September 1, 2019
•[ hack, technology ]
In September 2019, the RuneScape bot provider EpicBot suffered a data breach that impacted 817k subscribers. Data from the breach was subsequently shared on a popular hacking forum and included usernames, email and IP addresses and passwords stored as either salted MD5 or bcrypt hashes. EpicBot did not respond when contacted about the incident.
Dailymotion
October 20, 2016
•[ hack, technology ]
In October 2016, the video sharing platform Dailymotion suffered a data breach. The attack led to the exposure of more than 85 million user accounts and included email addresses, usernames and bcrypt hashes of passwords.
Nulled.cr
May 6, 2016
•[ hack, leak, technology ]
In May 2016, the cracking community forum known as Nulled.cr was hacked and 599k user accounts were leaked publicly. The compromised data included email and IP addresses, weak salted MD5 password hashes and hundreds of thousands of private messages between members.
Nameless Malware
January 1, 2020
•[ hack, malware, technology ]
In January 2021, NordLocker provided HIBP 1.1 million email addresses collected by nameless malware. The malware campaign ran between 2018 and 2020 and infected 3.25 million computers, stealing files, credentials and taking screenshots and photos using the computer's webcam. Read more in NordLocker's writeup about the Nameless malware that stole 1.2 TB of private data.
Jobandtalent
February 1, 2018
•[ hack, technology ]
In approximately February 2018, the employment website Jobandtalent suffered a data breach which then appeared for sale alongside other breaches a year later. The incident impacted 11 million subscribers and exposed their names, email and IP addresses and passwords stored as salted SHA-1 hashes.
FlexBooker
December 23, 2021
•[ hack, misconfiguration, technology ]
In December 2021, the online booking service FlexBooker suffered a data breach that exposed 3.7 million accounts. The data included email addresses, names, phone numbers and for a small number of accounts, password hashes and partial credit card data. FlexBooker has identified the breach as originating from a compromised account within their AWS infrastructure. The data was found being actively traded on a popular hacking forum and was provided to HIBP by a source who requested it be attributed to "white_peacock@riseup.net".
Evermotion
May 7, 2015
•[ hack, sqlinjection, technology ]
In May 2015, the Polish 3D modelling website known as Evermotion suffered a data breach resulting in the exposure of 435k unique user records. The data was sourced from a vBulletin forum and contained email addresses, usernames, dates of birth and salted MD5 hashes of passwords. The site was previously reported as compromised on the Vigilante.pw breached database directory.
QuestionPro
May 21, 2022
•[ hack, misconfiguration, technology ]
In May 2022, the survey website QuestionPro was the target of an extortion attempt relating to an alleged data breach. Over 100GB of data containing 22M unique email addresses (some of which appear to be generated by the platform), are alleged to have been extracted from the service along with IP addresses, browser user agents and results relating to surveys. QuestionPro would not confirm whether a breach had occurred (although they did confirm they were the target of an extortion attempt), so the data was initially flagged as "unverified". Subsequent verification by impacted HIBP subscribers later led to the removal of the unverified flag.