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The popular cyber security expert Troy Hunt has uncovered a massive data leak he called ‘Collection #1’ that included 773 million records.
The name ‘Collection #1’ comes from the name of the root folder.
Someone has collected a huge trove of data through credential stuffing, the ‘Collection #1’ archive is a set of email addresses and passwords totalling 2,692,818,238 rows resulting from thousands of different sources.
According to Hunt, there are 1,160,253,228 unique combinations of email addresses and passwords, while the unique email addresses totalled 772,904,991.
The data was posted on file-sharing service MEGA and also on an unnamed popular hacking forum, it includes more than 12,000 files for a total size of 87 gigabytes.
Hunt pointed out that approximately 140 million email accounts and some 10.6 million passwords are not part of known past data breaches.
“The unique email addresses totalled 772,904,991. This is the headline you’re seeing as this is the volume of data that has now been loaded into Have I Been Pwned (HIBP). It’s after as much clean-upas I could reasonably do and per the previous paragraph, the source data was presented in a variety of different formats and levels of “cleanliness”. This number makes it the single largest breach ever to be loaded into HIBP.” wrote Troy Hunt.
The post on the hacking forum referenced “a collection of 2000+ dehashed databases and Combos stored by topic” and included a directory listing of 2,890 of the files, Hunted reproduced it here.
Users can check if their credentials are included in the Collection #1 dump by visiting the HIBP website.
Source:https://securityaffairs.co/wordpress/80008/data-breach/collection-1-data-leak.html
