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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.
After compromising a system, attackers often attempt to extract any stored credentials for further lateral movement through the network. A prime target is the LSASS process, which stores NTLM and Kerberos credentials.
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 ...
Active antivirus protection may partially or completely prevent the installation of a major update. Anti-virus software can cause problems during the installation of an operating system upgrade, e.g. when upgrading to a newer version of Windows "in place"—without erasing the previous version of Windows.
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
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The product's real-time protection found 83 percent of all malware and blocked the majority of it: 40 percent of the commercial keyloggers and 78 percent of the rootkits were found. [53] Results of AV-TEST antivirus software tests on Microsoft Security Essentials, between June 2010 to June 2013 in three categories: Protection, repair and usability.
An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...