HackingTeam
Date
Description
In July 2015, the Italian security firm Hacking Team suffered a major data breach that resulted in over 400GB of their data being posted online via a torrent. The data searchable on "Have I Been Pwned?" is from 189GB worth of PST mail folders in the dump. The contents of the PST files is searchable on Wikileaks.
Amount of leaked user accounts
32310
Leaked Data
Email addresses, Email messages