CloudPets

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 exposed and it was subsequently downloaded by external parties (the data was also subject to 3 different ransom demands). 583k records were provided to HIBP via a data trader and included email addresses and bcrypt hashes, but the full extent of user data exposed by the system was over 821k records and also included children's names and

Record: 583503

Indian Railways

In November 2019, the website for Indian Rail left more than 2M records exposed on an unprotected Firebase database instance. The exposed data included 583k unique email addresses alongside usernames and passwords stored in plain text.

Record: 583377

Foodora

In April 2016, the online food delivery service Foodora suffered a data breach which was then extensively redistributed online. The breach included the personal information of hundreds of thousands of customers from multiple countries including their names, delivery addresses, phone numbers and passwords stored as either a salted MD5 or a bcrypt hash.

Record: 582578

Bombuj.eu

In December 2018, the Slovak website for watching movies online for free Bombuj.eu suffered a data breach. The incident exposed over 575k unique email addresses and passwords stored as unsalted MD5 hashes. No response was received from Bombuj.eu when contacted about the incident.

Record: 575437

D3Scene

In January 2016, the gaming website D3Scene, suffered a data breach. The compromised vBulletin forum exposed 569k million email addresses, IP address, usernames and passwords stored as salted MD5 hashes. The data was provided to HIBP by dehashed.com.

Record: 568827

BTC-E

In October 2014, the Bitcoin exchange BTC-E was hacked and 568k accounts were exposed. The data included email and IP addresses, wallet balances and hashed passwords.

Record: 568340

Universarium

In approximately November 2019, the Russian "Remote preparatory faculty for IT specialties" Universarium suffered a data breach. The incident exposed 565k email addresses and passwords in plain text. Universarium did not respond to multiple attempts to make contact over a period of many weeks. The data was provided to HIBP by dehashed.com.

Record: 564962

XKCD

In July 2019, the forum for webcomic XKCD suffered a data breach that impacted 562k subscribers. The breached phpBB forum leaked usernames, email and IP addresses and passwords stored in MD5 phpBB3 format. The data was provided to HIBP by white hat security researcher and data analyst Adam Davies.

Record: 561991

University of California

In December 2020, the University of California suffered a data breach due to vulnerability in in a third-party provider, Accellion. The breach exposed extensive personal data on both students and staff including 547 thousand unique email addresses, names, dates of birth, genders, social security numbers, ethnicities and other academic related data attributes. Further analysis is available in Exploring the Impact of the UC Data Breach. The data was provided to HIBP courtesy of Cyril Gorlla.

Record: 547422

Florida Virtual School

In March 2018, the Florida Virtual School (FLVS) posted a data breach notification to their website. The school had identified a data breach which had occurred sometime between 6 May 2016 and 12 Feb 2018 and an XML file containing 368k student records was subsequently found circulating. Each record contained student name, date of birth, password, grade, email and parent email resulting in a total of 543k unique email addresses. Due to the prevalence of email addresses belonging to individuals w

Record: 542902