The email addresses alone were provided to HIBP to enable impacted users to assess their exposure.
Breach date: 5 December 2017 Date added to HIBP: 8 December 2017 Compromised accounts: 20,580,060 Compromised data: Address book contacts, Apps installed on devices, Cellular network names, Dates of birth, Device information, Email addresses, Genders, Geographic locations, IMEI numbers, IMSI numbers, IP addresses, Names, Phone numbers, Profile photos, Social media profiles In September 2016, data allegedly obtained from the Chinese gaming website known as and containing 6.5M accounts was leaked online.
Breach date: 20 December 2017 Date added to HIBP: 7 January 2018 Compromised accounts: 17,706 Compromised data: Email addresses, Passwords, Usernames In approximately 2011, it's alleged that the Chinese gaming site known as 7k7k suffered a data breach that impacted 9.1 million subscribers.
The data in the breach contains usernames, email addresses and plain text passwords.
Salted SHA-1 password hashes for users who sign up with either Google or Facebook authentication were also included.
The data was provided to HIBP by whitehat security researcher and data analyst Adam Davies and contained almost 8 million unique email addresses.
Breach date: 19 April 2016 Date added to HIBP: 8 July 2016 Compromised accounts: 4,009,640 Compromised data: Device information, Email addresses, IP addresses, Passwords, Usernames In late 2011, a series of data breaches in China affected up to 100 million users, including 7.5 million from the gaming site known as 17173.
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.
Breach date: 1 July 2016 Date added to HIBP: 9 October 2017 Compromised accounts: 1,372,550 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.
Breach date: 27 June 2017 Date added to HIBP: 16 February 2018 Compromised accounts: 7,990,619 Compromised data: Email addresses, Passwords In November 2015, the gaming website dedicated to classic DOS games Abandonia suffered a data breach resulting in the exposure of 776k unique user records.
The data contained email and IP addresses, usernames and salted MD5 hashes of passwords.
Whilst some of the data had previously been seen in Have I Been Pwned, 2,844 of the files consisting of more than 80 million unique email addresses had not previously been seen.