Choosing a good password is fundamental to protect your account, however in very sensitive environments it could be worth to setup a password expiration policy.
This means that for select roles (usually the most powerful ones, like the Administrator one), Admin Tools will force the users to reset their password based on the expiration you set.
After how many days a password should be considered expired? If it's expired, Admin Tools will force the user to reset his password using WordPress core feature.
Leave this field to 0 to disable this feature
Select which roles should have their password reset. Hold Ctrl key and click to select multiple roles.