Just go to the MyData login page. At the bottom of the page is a link titled Forgot your password? You'll be asked to enter your email address, and then a new password will be sent to you. After you get the email, you'll probably want to change your password to something easily remembered.
This FAQ was last reviewed on 2009-06-17. If you have further questions, or wish to report an error, please contact email@example.com.