Florida Virtual School
February 12, 2018
•[ leak, education ]
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 who are still legally children, the data breach has been flagged as "sensitive".
Facebook Marketplace
October 1, 2023
•[ leak, hack, technology ]
In February 2024, 200k Facebook Marketplace records allegedly obtained from a Meta contractor in October 2023 were posted to a popular hacking forum. The data contained 77k unique email addresses alongside names, phone numbers, Facebook profile IDs and geographic locations. The data also contained bcrypt password hashes, although there is no indication these belong to the corresponding Facebook accounts.
Verifications.io
February 25, 2019
•[ leak, misconfiguration, technology ]
In February 2019, the email address validation service verifications.io suffered a data breach. Discovered by Bob Diachenko and Vinny Troia, the breach was due to the data being stored in a MongoDB instance left publicly facing without a password and resulted in 763 million unique email addresses being exposed. Many records within the data also included additional personal attributes such as names, phone numbers, IP addresses, dates of birth and genders. No passwords were included in the data. The Verifications.io website went offline during the disclosure process, although an archived copy remains viewable.
Dangdang
June 1, 2011
•[ leak, retail ]
In 2011, the Chinese e-commerce site Dangdang suffered a data breach. The incident exposed over 4.8 million unique email addresses which were subsequently traded online over the ensuing years.
Ticketek
May 31, 2024
•[ leak, misconfiguration, retail ]
In May 2024, the Australian event ticketing company Ticketek reported a data breach linked to a third party cloud-based platform. The following month, the data appeared for sale on a popular hacking forum and was later linked to a series of breaches of the Snowflake cloud storage service. The data contained almost 30M rows with 17.6M unique email addresses alongside names, genders, dates of birth and hashed passwords.
i-Dressup
July 15, 2016
•[ leak, sqlinjection, technology ]
In June 2016, the teen social site known as i-Dressup was hacked and over 2 million user accounts were exposed. At the time the hack was reported, the i-Dressup operators were not contactable and the underlying SQL injection flaw remained open, allegedly exposing a total of 5.5 million accounts. The breach included email addresses and passwords stored in plain text.
Hurb
March 14, 2019
•[ leak, misconfiguration, technology ]
In approximately March 2019, the online Brazilian travel agency Hurb (formerly Hotel Urbano) suffered a data breach. The data subsequently appeared online for download the following year and included over 20 million customer records with email and IP addresses, names, dates of birth, phone numbers and passwords stored as unsalted MD5 hashes. The data was provided to HIBP by dehashed.com.
Roblox
July 31, 2016
•[ leak, misconfiguration, technology ]
In August 2016, Roblox disclosed a data breach that affected over 50k users. The security incident impacted email and IP addresses, usernames, purchases and Robux balances which were left exposed on a test server.
OMGPOP
January 1, 2013
•[ leak, misconfiguration, technology ]
In approximately 2013, the maker of the Draw Something game OMGPOP suffered a data breach. Formerly known as i'minlikewithyou or iilwy and later purchased by Zynga, the breach exposed over 7M email address and plain text password pairs which were later leaked in 2019.
JoyGames
December 14, 2019
•[ leak, technology ]
In December 2019, the forum for the JoyGames website suffered a data breach that exposed 4.5M unique email addresses. The impacted data also included usernames, IP addresses and salted MD5 password hashes.
Everybody Edits
March 23, 2019
•[ leak, technology ]
In March 2019, the multiplayer platform game Everybody Edits suffered a data breach. The incident exposed 871k unique email addresses alongside usernames and IP addresses. The data was subsequently distributed online across a collection of files.
Doxbin Scrape
January 24, 2025
•[ leak, misconfiguration, technology ]
In January 2025, 435k email addresses were scraped from the "doxing" service Doxbin. Posts to the service are usually intended to disclose the personal information of non-consensually third parties. The data was provided to HIBP by a source who requested it be attributed to "oathnet.ru".
Data Enrichment Exposure From PDL Customer
October 16, 2019
•[ leak, misconfiguration, technology ]
In October 2019, security researchers Vinny Troia and Bob Diachenko identified an unprotected Elasticsearch server holding 1.2 billion records of personal data. The exposed data included an index indicating it was sourced from data enrichment company People Data Labs (PDL) and contained 622 million unique email addresses. The server was not owned by PDL and it's believed a customer failed to properly secure the database. Exposed information included email addresses, phone numbers, social media profiles and job history data.
Lazada RedMart
July 30, 2020
•[ leak, misconfiguration, retail ]
In October 2020, news broke of Lazada RedMart data breach containing records as recent as July 2020 and being sold via an online marketplace. In all, the data contained 1.1 million customer email addresses alongside names, phone numbers, physical addresses, partial credit card numbers and passwords stored as SHA-1 hashes.
GeekedIn
August 15, 2016
•[ leak, misconfiguration, technology ]
In August 2016, the technology recruitment site GeekedIn left a MongoDB database exposed and over 8M records were extracted by an unknown third party. The breached data was originally scraped from GitHub in violation of their terms of use and contained information exposed in public profiles, including over 1 million members' email addresses. Full details on the incident (including how impacted members can see their leaked data) are covered in the blog post on 8 million GitHub profiles were leaked from GeekedIn's MongoDB - here's how to see yours.
Flat Earth Sun, Moon and Zodiac App
October 15, 2024
•[ leak, misconfiguration, technology ]
In October 2024, the flat earth sun, moon and zodiac app created by Flat Earth Dave was found to be leaking extensive personal information of its users. The data included 33k unique email addresses along with usernames, latitudes and longitudes (their position on the globe) and passwords stored in plain text. A small number of profiles also contained names, dates of birth and genders.
Tigo
March 31, 2023
•[ leak, misconfiguration, technology ]
In Mid-2023, 300GB of data containing over 100M records from the Chinese video chat platform "Tigo" dating back to March that year was discovered. The data contained over 700k unique names, usernames, email and IP addresses, genders, profile photos and private messages. Tigo did not respond to multiple attempts to disclose the incident.
JoomlArt
January 30, 2018
•[ leak, misconfiguration, technology ]
In January 2018, the Joomla template website JoomlArt inadvertently exposed more than 22k unique customer records in a Jira ticket. The exposed data was from iJoomla and JomSocial, both services that JoomlArt acquired the previous year. The data included usernames, email addresses, purchases and passwords stored as MD5 hashes. When contacted, JoomlArt advised they were aware of the incident and had previously notified impacted parties.
Tout
September 11, 2014
•[ leak, technology ]
In approximately September 2014, the now defunct social networking service Tout suffered a data breach. The breach subsequently appeared years later and included 653k unique email addresses, names, IP addresses, the location of the user, their bio and passwords stored as bcrypt hashes. The data was provided to HIBP by a source who requested it to be attributed to "nmapthis@protonmail.com".
Muah.AI
September 17, 2024
•[ leak, technology ]
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 images. Many of the prompts were highly sexual in nature, with many also describing child exploitation scenarios.
