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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 .
The service delivers software updates for Windows, as well as the various Microsoft antivirus products, including Windows Defender and Microsoft Security Essentials. Since its inception, Microsoft has introduced two extensions of the service: Microsoft Update and Windows Update for Business.
Mac Defender (also known as Mac Protector, Mac Security, [1] Mac Guard, [2] Mac Shield, [3] and FakeMacDef) [4] is an internet rogue security program that targets computers running macOS. The Mac security firm Intego discovered the fake antivirus software on 2 May 2011, with a patch not being provided by Apple until 31 May. [ 5 ]
On 19 July at 04:09 UTC, CrowdStrike distributed a faulty configuration update for its Falcon sensor software running on Windows PCs and servers. A modification to a configuration file which was responsible for screening named pipes, Channel File 291, caused an out-of-bounds memory read [14] in the Windows sensor client that resulted in an invalid page fault.
[8] [9] MSE originally ran on Windows XP, Windows Vista and Windows 7, [3] although versions 4.5 and later do not run on Windows XP [10] and Microsoft stopped producing automatic definition updates for Windows XP on 14 July 2015 (however, manual definition updates are still available for Windows XP users who run older versions of MSE). [11] [7]
The first version of Mac OS X, Mac OS X Server 1.0, was a transitional product, featuring an interface resembling the classic Mac OS, though it was not compatible with software designed for the older system.
Windows is a product line of proprietary graphical operating systems developed and marketed by Microsoft.It is grouped into families and subfamilies that cater to particular sectors of the computing industry – Windows (unqualified) for a consumer or corporate workstation, Windows Server for a server and Windows IoT for an embedded system.
OS X El Capitan (/ ɛ l ˌ k æ p ɪ ˈ t ɑː n / el KAP-i-TAHN) (version 10.11) is the twelfth major release of macOS (named OS X at the time of El Capitan's release), Apple Inc.'s desktop and server operating system for Macintosh.