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  2. Microsoft Defender Antivirus - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Defender_Antivirus

    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 Security Essentials itself does not run on Windows versions beyond 7. [41]

  3. Local Security Authority Subsystem Service - Wikipedia

    en.wikipedia.org/wiki/Local_Security_Authority...

    Local Security Authority Subsystem Service (LSASS) [1] is a process in Microsoft Windows operating systems that is responsible for enforcing the security policy on the system. It verifies users logging on to a Windows computer or server, handles password changes, and creates access tokens. [2] It also writes to the Windows Security Log.

  4. User Account Control - Wikipedia

    en.wikipedia.org/wiki/User_Account_Control

    User Account Control (UAC) is a mandatory access control enforcement feature introduced with Microsoft's Windows Vista [1] and Windows Server 2008 operating systems, with a more relaxed [2] version also present in Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, Windows 8.1, Windows Server 2012 R2, Windows 10, and Windows 11 ...

  5. Windows Defender Security Center scam: How to protect your ...

    www.aol.com/windows-defender-security-center...

    Tech expert Kurt “CyberGuy" Knutsson says a tech support scam used a fake Windows Defender pop-up, tricking the victim to call and download software. Windows Defender Security Center scam: How ...

  6. Security and Maintenance - Wikipedia

    en.wikipedia.org/wiki/Security_and_Maintenance

    Windows Security Center in Windows Vista, reporting antivirus protection missing Windows Security Center in Windows XP Service Pack 2 reporting no antivirus product is installed. Security and Maintenance (formerly known as Action Center , and Security Center in earlier versions) is a component of the Windows NT family of operating systems that ...

  7. Microsoft Security Essentials - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Security_Essentials

    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 ...