A database called Collection #1 has 773 million breached emails addresses has been found in a underground hacking forum. To date this is the largest sum of compromised accounts to year.
This database in size totals 87GB of data, it was seen being hosted on the MEGA cloud service but instantly removed after it was discovered. The data was split into 12,000 separate text files under a folder called “Collection #1” Even after the database was removed from MEGA Cloud it was instantly turned up in the Dark Web.
Check Your Email Addresses and Passwords in HIBP
Please do yourself a favor and go to https://haveibeenpwned.com/. This website will allow you to search a database hosted by HIBP that contains all the email’s and unique password’s that have ever been leaked into the dark web.