Chegg – Apr 28, 2018
On Apr 28, 2018 attack happened. The textbook rental service Chegg suffered a data breach that impacted 40 million subscribers. The exposed data included email addresses, usernames, names and passwords stored as unsalted MD5 hashes. The data was provided to HIBP by a source who requested it be attributed to JimScott.Sec@protonmail.com. On Aug 16, 2019 only breach discovered.