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 151–200 of 978 · page 4 of 20
| ID | Title | Summary |
|---|---|---|
| Carding Mafia (March 2021) | Carding Mafia (March 2021) 298K records2021-03-18 | In March 2021, the Carding Mafia forum suffered a data breach that exposed almost 300k members' email addresses. Dedicated to the theft and trading of stolen c… |
| CarGurus | CarGurus 12.5M records2026-02-14 | In February 2026, the automotive marketplace CarGurus was the target of a data breach attributed to the threat actor ShinyHunters . Following an attempted exto… |
| CarMax | CarMax 431K records2026-01-24 | In January 2026, data allegedly sourced from US automotive retailer CarMax was published online following a failed extortion attempt . The data included 431k u… |
| Carnival | Carnival 7.5M records2026-04-18 | In April 2026, the notorious hacking collective ShinyHunters claimed they had obtained a substantial volume of data belonging to the Carnival cruise operator a… |
| CashCrate | CashCrate 6.8M records2016-11-17 | In June 2017, news broke that CashCrate had suffered a data breach exposing 6.8 million records . The breach of the cash-for-surveys site dated back to Novembe… |
| Catho | Catho 1.2M records2020-03-01 | In approximately March 2020, the Brazilian recruitment website Catho was compromised and subsequently appeared alongside 20 other breached websites listed for … |
| Catwatchful | Catwatchful 62K records2025-06-09 | In June 2025, spyware maker Catwatchful suffered a data breach that exposed over 60k customer records . The breach was due to a SQL injection vulnerability tha… |
| CD Projekt RED | CD Projekt RED 1.9M records2016-03-01 | In March 2016, Polish game developer CD Projekt RED suffered a data breach . The hack of their forum led to the exposure of almost 1.9 million accounts along w… |
| CDEK | CDEK 19.2M records2022-03-09 | In early 2022, a collective known as IT Army whose stated goal is to "completely de-anonymise most Russian users by leaking hundreds of gigabytes of databases"… |
| Central Tickets | Central Tickets 723K records2024-07-01 | In September 2024, data from the ticketing service Central Tickets was publicly posted to a hacking forum . The data suggests the breach occurred several month… |
| Chatbooks | Chatbooks 2.5M records2020-03-26 | In March 2020, the photo print service Chatbooks suffered a data breach which was subsequently put up for sale on a dark web marketplace. The breach contained … |
| CheapAssGamer.com | CheapAssGamer.com 445K records2015-07-01 | In approximately mid-2015, the forum for CheapAssGamer.com suffered a data breach. The database from the IP.Board based forum contained 445k accounts including… |
| Chegg | Chegg 39.7M records2018-04-28 | In April 2018, the textbook rental service Chegg suffered a data breach that impacted 40 million subscribers. The exposed data included email addresses, userna… |
| Chess | Chess 1.3M records2023-11-08 | In November 2023, over 800k user records were scraped from the Chess website and posted to a popular hacking forum . The data included email address, name, use… |
| China Software Developer Network | China Software Developer Network 6.4M records2011-12-21 | In 2011, the China Software Developer Network (CSDN) suffered a data breach that exposed over 6M user records . The data included email addresses alongside use… |
| Chowbus | Chowbus 444K records2020-10-05 | In October 2020, the Asian food delivery app Chowbus suffered a data breach which led to over 800,000 records being emailed to customers . The email contained … |
| Chris Leong | Chris Leong 27K records2024-08-10 | In August 2024, the website of Master Chris Leong "a leading Tit Tar practitioner in Malaysia" suffered a data breach . The incident exposed 27k unique email a… |
| Cit0day | Cit0day 226.9M records2020-11-04 | In November 2020, a collection of more than 23,000 allegedly breached websites known as Cit0day were made available for download on several hacking forums . Th… |
| CityBee | CityBee 110K records2021-02-05 | In February 2021, the Lithuanian car-sharing service CityBee announced they'd suffered a data breach that exposed 110k customers' personal information . The br… |
| CityJerks | CityJerks 178K records2023-02-27 | In early 2023, the "mutual masturbation" website CityJerks suffered a data breach that exposed 177k unique email addresses . The breach also included data from… |
| Civil Online | Civil Online 7.8M records2011-07-10 | In mid-2011, data was allegedly obtained from the Chinese engineering website known as Civil Online and contained 7.8M accounts. Whilst there is evidence that … |
| Clash of Kings | Clash of Kings 1.6M records2016-07-14 | In July 2016, the forum for the game "Clash of Kings" suffered a data breach that impacted 1.6 million subscribers. The impacted data included usernames, IP an… |
| ClearVoice Surveys | ClearVoice Surveys 15.1M records2015-08-23 | In April 2021, the market research surveys company ClearVoice Surveys had a publicly facing database backup from 2015 taken and redistributed on a popular hack… |
| ClickASnap | ClickASnap 3.3M records2022-09-24 | In September 2022, the online photo sharing platform ClickASnap suffered a data breach . The incident exposed almost 3.3M personal records including email addr… |
| ClixSense | ClixSense 2.4M records2016-09-04 | In September 2016, the paid-to-click site ClixSense suffered a data breach which exposed 2.4 million subscriber identities. The breached data was then posted o… |
| CloudPets | CloudPets 584K records2017-01-01 | In January, the maker of teddy bears that record children's voices and sends them to family and friends via the internet CloudPets left their database publicly… |
| Club Penguin Rewritten (January 2018) | Club Penguin Rewritten (January 2018) 1.7M records2018-01-21 | In January 2018, the children's gaming site Club Penguin Rewritten (CPRewritten) suffered a data breach (note: CPRewritten is an independent recreation of Disn… |
| Club Penguin Rewritten (July 2019) | Club Penguin Rewritten (July 2019) 4.0M records2019-07-27 | In July 2019, the children's gaming site Club Penguin Rewritten (CPRewritten) suffered a data breach (note: CPRewritten is an independent recreation of Disney'… |
| Coachella | Coachella 600K records2017-02-22 | In February 2017, hundreds of thousands of records from the Coachella music festival were discovered being sold online . Allegedly taken from a combination of … |
| Cocospy | Cocospy 1.8M records2025-02-14 | In February 2025, the spyware service Cocospy suffered a data breach along with sibling spyware service, Spyic . The Cocospy breach alone exposed almost 1.8M c… |
| CodeStepByStep | CodeStepByStep 103K records2025-11-15 | In November 2025, the online coding practice tool CodeStepByStep suffered a data breach that exposed 17k records which were subsequently published online . The… |
| Coinmama | Coinmama 479K records2017-08-03 | In August 2017, the crypto coin brokerage service Coinmama suffered a data breach that impacted 479k subscribers. The breach was discovered in February 2019 wi… |
| CoinMarketCap | CoinMarketCap 3.1M records2021-10-12 | During October 2021, 3.1 million email addresses with accounts on the cryptocurrency market capitalisation website CoinMarketCap were discovered being traded o… |
| CoinTracker | CoinTracker 1.6M records2022-12-01 | In December 2022, the Crypto & NFT taxes service CoinTracker reported a data breach that impacted over 1.5M of their customers . The company later attributed t… |
| Collection #1 | Collection #1 772.9M records2019-01-07 | In January 2019, a large collection of credential stuffing lists (combinations of email addresses and passwords used to hijack accounts on other services) was … |
| ColoCrossing | ColoCrossing 7K records2025-05-24 | In May 2025, hosting provider ColoCrossing identified a data breach that impacted customers of their ColoCloud virtual server product . ColoCrossing advised th… |
| Color Dating | Color Dating 221K records2018-09-05 | In September 2018, the dating app to match people with different ethnicities Color Dating suffered a data breach that was later redistributed as part of a larg… |
| Combolists Posted to Telegram | Combolists Posted to Telegram 361.5M records2024-05-28 | In May 2024, 2B rows of data with 361M unique email addresses were collated from malicious Telegram channels . The data contained 122GB across 1.7k files with … |
| Comcast | Comcast 617K records2015-11-08 | In November 2015, the US internet and cable TV provider Comcast suffered a data breach that exposed 590k customer email addresses and plain text passwords . A … |
| COMELEC (Philippines Voters) | COMELEC (Philippines Voters) 229K records2016-03-27 | In March 2016, the Philippines Commission of Elections website (COMELEC) was attacked and defaced , allegedly by Anonymous Philippines. Shortly after, data on … |
| Condo.com | Condo.com 1.5M records2019-06-01 | In June 2019, now defunct website Condo.com suffered a data breach that was later redistributed as part of a larger corpus of data . The impacted data included… |
| Convex | Convex 150K records2023-02-01 | In February 2023, the Russian telecommunications provider Convex was hacked by "Anonymous" who subsequently released 128GB of data publicly , alleging it revea… |
| Coupon Mom / Armor Games | Coupon Mom / Armor Games 11.0M records2014-02-08 | In 2014, a file allegedly containing data hacked from Coupon Mom was created and included 11 million email addresses and plain text passwords. On further inves… |
| Covve | Covve 22.8M records2020-02-20 | In February 2020, a massive trove of personal information referred to as "db8151dd" was provided to HIBP after being found left exposed on a publicly facing El… |
| Crack Community | Crack Community 19K records2013-09-09 | In late 2013, the Crack Community forum specialising in cracks for games was compromised and over 19k accounts published online. Built on the MyBB forum platfo… |
| Cracked.to | Cracked.to 749K records2019-07-21 | In July 2019, the hacking website Cracked.to suffered a data breach. There were 749k unique email addresses spread across 321k forum users and other tables in … |
| CrackingForum | CrackingForum 660K records2016-07-01 | In approximately mid-2016, the cracking community forum known as CrackingForum suffered a data breach. The vBulletin based forum exposed 660k email and IP addr… |
| CraftRise | CraftRise 2.5M records2022-03-05 | In May 2023, news broke of a data breach of the Turkish Minecraft server known as CraftRise . The data of over 2.5M users was subsequently shared on a popular … |
| Creams Cafe | Creams Cafe 160K records2025-05-01 | In May 2025, 160k records of customer data was allegedly obtained from Creams Cafe, "the UK's favourite dessert parlour". The data included email and physical … |
| Creative | Creative 483K records2018-05-01 | In May 2018, the forum for Singaporean hardware company Creative Technology suffered a data breach which resulted in the disclosure of 483k unique email addres… |