The goal of this ticket is to send an email when there is an email address or password change. Later this email could be extended to other security actions.
Your email address and password are how you safeguard your Piwik account, so monitoring it for any changes is critical. We could send emails when there are security related changes to your account, such as a password change.
The information would give you more insight into when and where the account change took place, including
Example at linkedin: