Data Leak: 2.2 billion Usernames, Passwords Leaked
According to the Heise.de, the new data dump is said to mostly include the leaked accounts from previous breaches. Also the Wired report cited a Hasso Plattner Institute researcher, there was still a significant amount of accounts and passwords that were being leaked for the first time. The exact source of the new data is unclear at the moment, and it is being speculated that the hackers may have targeted a number of smaller websites to grab their databases.
“It's an unprecedented amount of information and credentials that will eventually get out into the public domain,” Chris Rouland from Phosphorus.io told the website.
How to check if your account details are present in the Collections #2-5
You can check if your username or password in the present in the latest leak by going to Hasso Plattner Institute's website. After you put your email address, the tool will search your username in all of the leaked databases including the Collections #2-5 dump and send you an email of the results.