A massive 8.8 GB trove of files containing usernames and plaintext passwords suggests hundreds of services may have experienced data breaches that haven’t become public yet. Troy Hunt, an Australian breach expert, says that while some of the data appears to come from major breaches such as Dropbox and MySpace, much of it may be new. Hunt says he’s still trying to trace the services from which the data may have been stolen. The data trove contains 80 million unique email addresses, and Hunt says it’s unlikely whoever created the list did any password list.”]
Source: https://www.cuinfosecurity.com/data-cache-may-contain-2800-partly-undiscovered-breaches-a-10684