Rambler (mar 1, 2014 – jan 1, 0)

Description:

In late 2016, a data dump of almost 100M accounts from Rambler, sometimes referred to as "The Russian Yahoo", <a href="http://www.zdnet.com/article/russian-portal-email-provider-rambler-hacked-98-million-accounts-leaked/" target="_blank" rel="noopener">was discovered being traded online</a>. The data set provided to Have I been pwned included 91M unique usernames (which also form part of Rambler email addresses) and plain text passwords. According to Rambler, the data dates back to March 2014.