Pwned Passwords is a most common password (hashes) database compiled from years of breach data: http://haveibeenpwned.com/Passwords http://haveibeenpwned.com/Pa

Pwned Passwords is a most common password (hashes) database compiled from years of breach data: http://haveibeenpwned.com/Passwords http://haveibeenpwned.com/Passwords Though the takeaway in the article is that you really only need to check Top X and Top X may be as low as 10 assuming other mitigations are in place.