The data in the breach contains email addresses and plain text passwords.
Compromised data: Email addresses, IP addresses, Names, Passwords In approximately 2012, it's alleged that the Chinese email service known as 126 suffered a data breach that impacted 6.4 million subscribers.
Whilst there is evidence that the data is legitimate, due to the difficulty of emphatically verifying the Chinese breach it has been flagged as "unverified".
The full contents of the emails were subsequently published by Wiki Leaks and made searchable.
HIBP identified over 917k unique email address patterns in the data set, including message IDs and a number of other non-user addresses.
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.