In September 2015, the Final Fantasy discussion forum known as FFShrine was breached and the data dumped publicly. Approximately 620k records were released containing email addresses, IP addresses and salted hashes of passwords.
Record: 620677
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 further 27k accounts appeared with home addresses with the entire data set being sold on underground forums.
Record: 616882
In October 2020, the app data company Reincubate suffered a data breach which exposed a backup from November 2017 (the newest record in the data appeared several months earlier). The data included over 616k unique email addresses, names and passwords stored as PBKDF2 hashes.
Record: 616146
In 2014, the ThisHabbo forum (a fan site for Habbo.com, a Finnish social networking site) appeared among a list of compromised sites which has subsequently been removed from the internet. Whilst the actual date of the exploit is not clear, the breached data includes usernames, email addresses, IP addresses and salted hashes of passwords. A further 584k records were added from a more comprehensive breach file provided in October 2016.
Record: 612414
In June 2016, the "home of competitive Counter Strike" website HLTV was hacked and 611k accounts were exposed. The attack led to the exposure of names, usernames, email addresses and bcrypt hashes of passwords.
Record: 611070
In June 2018, the massively multiplayer online role-playing game (MMORPG) Mortal Online suffered a data breach. A file containing 570k email addresses and cracked passwords was subsequently distributed online. A larger more complete file containing 607k email addresses with original unsalted MD5 password hashes along with names, usernames and physical addresses was later provided and the original breach in HIBP was updated accordingly. The data was provided to HIBP by whitehat security research
Record: 606637
In February 2017, hundreds of thousands of records from the Coachella music festival were discovered being sold online. Allegedly taken from a combination of the main Coachella website and their vBulletin-based message board, the data included almost 600k usernames, IP and email addresses and salted hashes of passwords (MD5 in the case of the message board).
Record: 599802
In February 2020, the guitar tuition website TrueFire suffered a data breach which impacted 600k members. The breach exposed extensive personal information including names, email and physical addresses, account balances and unsalted MD5 password hashes. The data was provided to HIBP by dehashed.com.
Record: 599667
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.
Record: 599080
In October 2010, the Irish bookmaker Paddy Power suffered a data breach that exposed 750,000 customer records with nearly 600,000 unique email addresses. The breach was not disclosed until July 2014 and contained extensive personal information including names, addresses, phone numbers and plain text security questions and answers.
Record: 590954