A 41-gigabyte archive containing 1.4 Billion credentials in clear text was found in dark web, it had been updated at the end of November. The total amount of credentials is 1,400,553,869. The top password is 123456, followed by 123456789, qwerty, password and 111111. The huge trove of data has been found online on December 5 by security shop @4iQ. The breach is almost two times larger than the previous largest credential exposure, the Exploit.in combo list.”]
Source: http://securityaffairs.co/wordpress/66650/data-breach/1-4-billion-data-leak.html