<P> SmartScreen (officially called Windows SmartScreen, Windows Defender SmartScreen and SmartScreen Filter in different places) is a cloud - based anti-phishing and anti-malware component included in several Microsoft products, including Windows 8 and later, Internet Explorer, Microsoft Edge and Outlook.com . It is designed to help protect users against attacks that utilize social engineering and drive - by downloads to infect a system by scanning URLs accessed by a user against a blacklist of websites containing known threats . With the Windows 10 Creators Update, Microsoft placed the SmartScreen settings into the Windows Defender Security Center . </P> <P> SmartScreen was first introduced in Internet Explorer 7 then known as the Phishing Filter . Phishing Filter does not check every website visited by the user, only those that are known to be suspicious . </P>

What is the smartscreen filter in windows phone