In this lesson, I purposefully log into one of my demo user account incorrectly, in order to get their user account locked.
We then look at the user's login history to see their failed attempts. We also review and change the password policies in our org to reduce the limit for failed login attempts before a user account is locked.
Finally, we unlock their account.
Set Password Policies https://help.salesforce.com/articleView?id=admin_password.htm&type=5