The data was sold and traded before 000webhost was alerted in October.
The breach included names, email addresses and plain text passwords.
The exposed data included more than 1.3 million unique email addresses, often accompanied by usernames, IP addresses and plain text or hashed passwords retrieved from various sources and intended to be used to compromise the victims' accounts.
Compromised data: Email addresses, IP addresses, Passwords, Usernames In November 2014, the acne website suffered a data breach that exposed over 430k forum members' accounts.
The list contained 458 million unique email addresses, many with multiple different passwords hacked from various online systems.
The list was broadly circulated and used for "credential stuffing", that is attackers employ it in an attempt to identify other online systems where the account owner had reused their password.
Compromised data: Dates of birth, Email addresses, Genders, Geographic locations, IP addresses, Races, Relationship statuses, Sexual orientations, Spoken languages, Usernames In May 2013, the torrent site Aha suffered a breach which resulted in more than 180k user accounts being published publicly.
The data dump included extremely sensitive personal information about individuals and their relationship statuses and sexual preferences combined with personally identifiable information.HIBP identified over 917k unique email address patterns in the data set, including message IDs and a number of other non-user addresses.Compromised data: Email addresses, Email messages and 745k user accounts were subsequently leaked publicly.The data was being actively traded on underground forums and included email addresses, birth dates and passwords.Compromised data: Dates of birth, Email addresses, IP addresses, Passwords, Usernames password and a password hint in plain text.