If you are concerned about your own account security, here are the best steps to take: immediately to something unique [4].
Please be aware that sharing, distributing, or using such lists to access accounts without permission is and violates the terms of service for most platforms, including League of Legends [2, 3]. 18K LOL USERPASS.txt
via the Riot Games website to add an extra layer of protection [5]. If you are concerned about your own account