In late 2016, the online Chinese video service Youku suffered a data breach. The incident exposed 92 million unique user accounts and corresponding MD5 password hashes. The data was contributed to Have I Been Pwned courtesy of firstname.lastname@example.org.
Accounts breached: 91890110
Breached on: December 01, 2016
Exposed data: Email addresses and Passwords
Added on: April 15, 2017