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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 .
Although support for Windows 7 [36] ended on 14 January 2020 Microsoft will continue to update virus definitions for existing users until 2023. [37] Microsoft Security Essentials does not run on Windows 8 and later, which has its own security subsystem, Windows Defender.
The first version of the antivirus program was basic, had no inbuilt update facility (updates had to be obtained from a BBS and manually installed by the user) and could scan for 1,234 different viruses. [3] Microsoft Anti-Virus for Windows (MWAV), included as part of the package, was a front end that allowed MSAV to run properly on Windows 3.1x.
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.
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. [12] [13] It relies on its own service, called "Windows ...
The term "Email security" refers to the protection of email from viruses and malware, while "Antispam" refers to the protection from spam, scam and phishing attacks. The term " Web protection " usually includes protection from: infected and malicious URLs , phishing websites, online identity (privacy) protection and online banking protection.