978 indexed
BREACHDisclosed breaches
978 disclosed breaches from Have I Been Pwned. Filter by year, or for year-on-year volume see /explore/breaches. Authored by Adam Lundqvist.
Showing 551–600 of 978 · page 12 of 20
| ID | Title | Summary |
|---|---|---|
| Misattributed Habib's Data | Misattributed Habib's Data 3.5M records2021-08-05 | In August 2021, an allegation was made that the Brazilian fast food company "Habib's" had suffered a data breach that was later redistributed as part of a larg… |
| MMG Fusion | MMG Fusion 2.7M records2020-12-20 | In December 2020, the dental practice management service MMG Fusion was the victim of a data breach which exposed 2.6M unique email addresses. The data also in… |
| MobiFriends | MobiFriends 3.5M records2020-01-06 | In January 2020, the Barcelona-based dating app MobiFriends suffered a data breach that exposed 3.5 million unique email addresses. The data also included user… |
| MoDaCo | MoDaCo 880K records2016-01-01 | In approximately January 2016, the UK based Android community known as MoDaCo suffered a data breach which exposed 880k subscriber identities. The data include… |
| Modern Business Solutions | Modern Business Solutions 58.8M records2016-10-08 | In October 2016, a large Mongo DB file containing tens of millions of accounts was shared publicly on Twitter (the file has since been removed). The database c… |
| Money Bookers | Money Bookers 4.5M records2009-01-01 | Sometime in 2009, the e-wallet service known as Money Bookers suffered a data breach which exposed almost 4.5M customers . Now called Skrill, the breach was no… |
| Moneycontrol | Moneycontrol 763K records2017-09-07 | In April 2021, hackers posted data for sale originating from the online Indian financial platform, Moneycontrol . The data included 763 thousand unique email a… |
| Morele.net | Morele.net 2.5M records2018-10-10 | In October 2018, the Polish e-commerce website Morele.net suffered a data breach . The incident exposed almost 2.5 million unique email addresses alongside pho… |
| Mortal Online | Mortal Online 607K records2018-06-17 | In June 2018, the massively multiplayer online role-playing game (MMORPG) Mortal Online suffered a data breach . A file containing 570k email addresses and cra… |
| Movie Forums | Movie Forums 40K records2022-11-24 | In December 2022, the Movie Forums website suffered a data breach that affected 40k users. The breach exposed email and IP addresses, usernames, dates of birth… |
| MovieBoxPro | MovieBoxPro 6.0M records2024-04-15 | In April 2024, over 6M records from the streaming service MovieBoxPro were scraped from a vulnerable API. Of questionable legality, the service provided no con… |
| MPGH | MPGH 3.1M records2015-10-22 | In October 2015, the multiplayer game hacking website MPGH was hacked and 3.1 million user accounts disclosed. The vBulletin forum breach contained usernames, … |
| Mr. Green Gaming | Mr. Green Gaming 27K records2024-03-01 | In March 2024, the online games community Mr. Green Gaming suffered a data breach that exposed 27k user records. Acknowledged on their Discord server, the inci… |
| MrExcel | MrExcel 366K records2016-12-05 | In December 2016, the forum for the Microsoft Excel tips and solutions site Mr Excel suffered a data breach . The hack of the vBulletin forum led to the exposu… |
| MSI | MSI 250K records2024-07-07 | In July 2024, MSI inadvertently exposed hundreds of thousands of customer records related to RMA claims that were subsequently found to be publicly accessible … |
| mSpy | mSpy 700K records2015-05-14 | In May 2015, the "monitoring" software known as mSpy suffered a major data breach . The software (allegedly often used to spy on unsuspecting victims), stored … |
| mSpy (2024) | mSpy (2024) 2.4M records2024-06-09 | In June 2024, a huge trove of data from spyware maker mSpy was obtained by hacktivists and published online . Comprising of 142GB of user data and support tick… |
| Muah.AI | Muah.AI 1.9M records2024-09-17 | In September 2024, the "AI girlfriend" website Muah.AI suffered a data breach . The breach exposed 1.9M email addresses alongside prompts to generate AI-based … |
| Multiplayer.it | Multiplayer.it 504K records2018-09-01 | In April 2024, over half a million records taken from the Italian gaming website Multiplayer.it were posted to a popular hacking forum . The impacted data incl… |
| Muslim Directory | Muslim Directory 38K records2014-02-17 | In February 2014, the UK guide to services and business known as the Muslim Directory was attacked by the hacker known as @th3inf1d3l . The data was consequent… |
| Muslim Match | Muslim Match 150K records2016-06-24 | In June 2016, the Muslim Match dating website had 150k email addresses exposed . The data included private chats and messages between relationship seekers and … |
| My Lovely AI | My Lovely AI 106K records2026-04-07 | In April 2026, the NSFW AI girlfriend platform My Lovely AI suffered a data breach that exposed over 100k users . The data included user-created prompts and li… |
| MyFHA | MyFHA 973K records2015-02-18 | In approximately February 2015, the home financing website MyFHA suffered a data breach which disclosed the personal information of nearly 1 million people. Th… |
| MyFitnessPal | MyFitnessPal 143.6M records2018-02-01 | In February 2018, the diet and exercise service MyFitnessPal suffered a data breach . The incident exposed 144 million unique email addresses alongside usernam… |
| MyHeritage | MyHeritage 92.0M records2017-10-26 | In October 2017, the genealogy website MyHeritage suffered a data breach . The incident was reported 7 months later after a security researcher discovered the … |
| MyPertamina | MyPertamina 6.0M records2022-11-01 | In November 2022, the Indonesian oil and gas company Pertamina suffered a data breach of their MyPertamina service . The incident exposed 44M records with 6M u… |
| myRepoSpace | myRepoSpace 253K records2015-07-06 | In July 2015, the Cydia repository known as myRepoSpace was hacked and user data leaked publicly . Cydia is designed to facilitate the installation of apps on … |
| MySpace | MySpace 359.4M records2008-07-01 | In approximately 2008, MySpace suffered a data breach that exposed almost 360 million accounts . In May 2016 the data was offered up for sale on the "Real Deal… |
| Mytheresa | Mytheresa 84K records2026-04-12 | In April 2026, the luxury fashion e-commerce platform Mytheresa was listed as a victim of the ShinyHunters "pay or leak" extortion group . After the ransom dea… |
| MyVidster (2015) | MyVidster (2015) 20K records2015-08-15 | In August 2015, the social video sharing and bookmarking site MyVidster was hacked and nearly 20,000 accounts were dumped online. The dump included usernames, … |
| MyVidster (2025) | MyVidster (2025) 3.9M records2025-10-24 | In October 2025, the data of almost 4M MyVidster users was posted to a public hacking forum . Separate to the 2015 breach, this incident exposed usernames, ema… |
| Nameless Malware | Nameless Malware 1.1M records2020-01-01malware | In January 2021, NordLocker provided HIBP 1.1 million email addresses collected by nameless malware . The malware campaign ran between 2018 and 2020 and infect… |
| NapsGear | NapsGear 287K records2015-10-21 | In October 2015, the anabolic steroids retailer NapsGear suffered a data breach . An extensive amount of personal information on 287k customers was exposed inc… |
| National Public Data | National Public Data 134.0M records2024-04-09 | In April 2024, a large trove of data made headlines as having exposed "3 billion people" due to a breach of the National Public Data background check service .… |
| Naughty America | Naughty America 1.4M records2016-03-14 | In March 2016, the adult website Naughty America was hacked and the data consequently sold online . The breach included data from numerous systems with various… |
| Naz.API | Naz.API 70.8M records2023-09-20 | In September 2023, over 100GB of stealer logs and credential stuffing lists titled "Naz.API" was posted to a popular hacking forum . The incident contained a c… |
| Neiman Marcus | Neiman Marcus 31.2M records2024-04-14 | In May 2024, the American luxury retailer Neiman Marcus suffered a data breach which was later posted to a popular hacking forum . The data included 31M unique… |
| Neopets | Neopets 26.9M records2013-05-05 | In May 2016, a set of breached data originating from the virtual pet website "Neopets" was found being traded online . Allegedly hacked "several years earlier"… |
| NetEase | NetEase 234.8M records2015-10-19 | In October 2015, the Chinese site known as NetEase (located at 163.com ) was reported as having suffered a data breach that impacted hundreds of millions of su… |
| Neteller | Neteller 3.6M records2010-05-17 | In May 2010, the e-wallet service known as Neteller suffered a data breach which exposed over 3.6M customers . The breach was not discovered until October 2015… |
| NetGalley | NetGalley 1.4M records2020-12-21 | In December 2020, the book promotion site NetGalley suffered a data breach . The incident exposed 1.4 million unique email addresses alongside names, usernames… |
| Netlog | Netlog 49.0M records2012-11-01 | In July 2018, the Belgian social networking site Netlog identified a data breach of their systems dating back to November 2012 (PDF) . Although the service was… |
| Netshoes | Netshoes 500K records2017-12-07 | In December 2017, the online Brazilian retailer known as Netshoes had half a million records allegedly hacked from their system posted publicly . The company w… |
| NextGenUpdate | NextGenUpdate 1.2M records2014-04-22 | Early in 2014, the video game website NextGenUpdate reportedly suffered a data breach that disclosed almost 1.2 million accounts. Amongst the data breach was u… |
| Nexus Mods | Nexus Mods 5.9M records2013-07-22 | In December 2015, the game modding site Nexus Mods released a statement notifying users that they had been hacked . They subsequently dated the hack as having … |
| Nihonomaru | Nihonomaru 1.7M records2015-12-01 | In late 2015, the anime community known as Nihonomaru had their vBulletin forum hacked and 1.7 million accounts exposed. The compromised data included email an… |
| Nitro | Nitro 77.2M records2020-09-28 | In September 2020, the Nitro PDF service suffered a massive data breach which exposed over 70 million unique email addresses . The breach also exposed names, b… |
| Nival | Nival 1.5M records2016-02-29 | In February 2016, the Russian gaming company Nival was the target of an attack which was consequently detailed on Reddit . Allegedly protesting "the foreign po… |
| Non Nude Girls | Non Nude Girls 75K records2013-05-21 | In May 2013, the non-consensual voyeurism site "Non Nude Girls" suffered a data breach . The hack of the vBulletin forum led to the exposure of over 75k accoun… |
| Not Acxiom | Not Acxiom 51.7M records2020-06-21 | In 2020, a corpus of data containing almost a quarter of a billion records spanning over 400 different fields was misattributed to database marketing company A… |