Breached in 2012, LinkedIn and Dropbox still remain in the top 35 leaderboard of the biggest breaches of all time. 

Finally, eight years later, Yevneniy Nikulin has been found guilty of hacking into their networks and selling the stolen user information and credentials databases on a cybercrime forum. With an additional hack into social network, Formspring, Nikulin has exposed and circulated credentials and personally identifiable information (PII) for over 225 million people.