collection1
Latest
Collection 1 data breach covers more than 772 million email addresses
If you're signed up for one of the many services that alerts you to data breaches when they're discovered (if you're not, you probably should be) then you likely have an email waiting for you. Troy Hunt runs Have I Been Pwned where he makes it his business to dig up these files as they're being passed around by hackers, and has alerted the world to "Collection #1," which claims to combine usernames and passwords from thousands of databases.