Phase: Architecture and Design
When prompting for a password change, force the user to provide the original password in addition to the new password.
Phase: Architecture and Design
Do not use "forgotten password" functionality. But if you must, ensure that you are only providing information to the actual user, e.g. by using an email address or challenge question that the legitimate user already provided in the past; do not allow the current user to change this identity information until the correct password has been provided.