PhishGuard is a FREE service that detects and rapidly disables Internet Phishing or Spoofing attacks designed to steal critical financial data. PhishGuard utilizes the collective observations of Internet users plus a very rapid submission and update system to short-circuit new scams. PhishGuard works with Microsoft Internet Explorer to warn before you visit a known malicious site. Version 2.1.131 support for Microsoft Vista and Windows 2003 Server. Reduced memory requirements. Improved error handling.