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support.microsoft.com /en-my /help /17150 /windows-7-what-is-microsoft-security-essentials Microsoft Security Essentials ( MSE ) is a discontinued antivirus software (AV) product that provides protection against different types of malicious software , such as computer viruses , spyware , rootkits , and Trojan horses .
Upon installation, Microsoft Security Essentials disabled and replaced Windows Defender. [41] [42] In Windows 8, Microsoft upgraded Windows Defender into an antivirus program very similar to Microsoft Security Essentials for Windows 7, [4] and it also uses the same anti-malware engine and virus definitions from MSE.
Microsoft Safety Scanner is a free time-limited virus scan utility similar to the Windows Malicious Software Removal Tool. It is used to scan a system for computer viruses and other forms of malware. It was released on 15 April 2011, following the discontinuation of the Windows Live OneCare Safety Scanner. [4]
Security updates or critical updates mitigate vulnerabilities and security exploits in Microsoft Windows. Cumulative updates are updates that bundle multiple updates, both new and previously released updates. Cumulative updates were introduced with Windows 10 and only some been backported to Windows 7 and Windows 8.1.
Beginning in Windows 10, Microsoft placed the SmartScreen settings into the Windows Defender Security Center. [12] Further Windows 10 and Windows 11 updates have added more enterprise configurability as part of Microsoft's enterprise endpoint protection product.
Windows Live OneCare (previously Windows OneCare Live, codenamed A1) was a computer security and performance enhancement service developed by Microsoft for Windows.A core technology of OneCare was the multi-platform RAV (Reliable Anti-virus), [1] which Microsoft purchased from GeCAD Software Srl in 2003, [2] but subsequently discontinued. [3]
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