: This is the strongest defense. Even if a hacker has your password, they won't be able to log in without the second code.
: Usually formatted as email:password or user:pass strings, intended for automated scripts to test account validity. 1-Million-Gaming-Dump.txt
: Often created through "credential stuffing" attacks, where hackers use passwords leaked from one site to try and break into accounts on another. : This is the strongest defense