And, if any component gets discovered as illegitimate, SmartScreen restricts the app’s installation.Īs a result, the systems get secured from installing a virus-infected file. It checks the publisher’s signature and verifies the certificate authority through the Chain of Trust. Whenever a user tries to install and run an application, Defender SmartScreen validates its authenticity. Benefits and Features of Windows Defender SmartScreen Protection from Unauthorized Applications When you try to install software from an unauthorized publisher, it shows a warning and lets you decide whether to install it or not. The primary purpose of launching SmartScreen in Windows OS is to help users make appropriate decisions. You don’t have to configure it manually, as it gets enabled by default. You can find it in Windows 8.1, Windows 10, Windows 11, and Microsoft Edge browser. Windows Defender SmartScreen is a filtering mechanism that verifies the legitimacy of files and websites to prevent malicious activities on your system. And it makes essential for us to understand Windows Defender SmartScreen. This is why every publisher looks for a certificate compatible with SmartScreen policies. It blocks installations if it doesn’t recognize the publisher. SmartScreen has become a prominent security Windows OS security mechanism, helping users to prevent cyber threats. But, only a few understand the term correctly and purchase the right digital solution. While purchasing the Code Signing Certificate, particularly EV Code Signing Certificate, we all came across the term Windows Defender SmartScreen.

Microsoft smartscreen defender