In July 2018, the massive multiplayer online game Stronghold Kingdoms suffered a data breach. Almost 5.2 million accounts were impacted by the incident which exposed emails addresses, usernames and passwords stored as salted SHA-1 hashes. The data was provided to HIBP by a source who requested it be attributed to "JimScott.Sec@protonmail.com".
Accounts breached: 5187305
Breached on: July 04, 2018
Exposed data: Email addresses, Passwords, and Usernames
Added on: July 21, 2019