This message box appears whenever you type a protected username or password into a website that Rapport does not recognize. When you log into a protected website, Rapport remembers the username and the password that you used for login.
Rapport then monitors information that you enter into other websites, and when you enter text that matches the protected password or username into a website that Rapport does not recognize, the Protected Password Warning message box appears.
For example, assuming you manually protect a website and you log into it using (for example) the the password "pass567", The text "pass567" will become protected. If you then go to a website that Rapport does not recognize, and type "pass567" anywhere in this website, the following message box will appear.
The purpose of this message box is to verify that the website into which you are currently submitting information, is not asking for the credentials of another website. This is also known as a Phishing attack.
When this message box appears:
You can than select which website you would like to be taken to or click on Go Back which will bring up the previous Rapport dialog.