Microsoft Phishing Filter Add-in for MSN Search Toolbar is a dynamic service that helps protect against fraudulent websites and personal data theft. It offers access to the beta version of a new dynamic online service, updated several times an hour to warn you and help protect your personal information from these fraudulent websites by scanning websites you visit and warning you if they are potentially suspicious and dynamically checking the web sites you visit with up to the hour online information via an online service run by Microsoft and blocking you from sharing personal information if a site is a known phishing website.