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Microsoft Defender Antivirus (formerly Windows Defender) is an antivirus software component of Microsoft Windows.It was first released as a downloadable free anti-spyware program for Windows XP and was shipped with Windows Vista and Windows 7.
Microsoft Active Protection Service (abbreviated MAPS and formerly known as Microsoft SpyNet) is the network of Windows Defender and Microsoft Security Essentials users that help determine which programs are classified as spyware. The signatures created for any submitted programs by the users of the product are available to all users, displayed ...
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: All versions of the Microsoft Windows operating system since Windows 8; Web browsers Internet Explorer and Microsoft Edge
Always keep your Microsoft Windows operating system up to date and ensure that the latest security updates are installed using the Windows Update utility. Use antivirus software to protect your computer from viruses and other malware and always keep your antivirus definitions and databases up-to-date.
Microsoft Security Essentials does not run on Windows 8 and later, which has its own security subsystem, Windows Defender. On 13 September 2011, at the Build conference in Anaheim, California , Microsoft unveiled the developer preview of Windows 8, which had a security component capable of preventing an infected USB flash memory from ...
Starting with Windows 10 Creators Update, Microsoft has introduced a new component called Windows Defender Security Center (WDSC) that provides much of the same functionality. This new component is a Universal Windows Platform app and is also the default front-end for Windows Defender.
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