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Microsoft Defender Antivirus (formerly Windows Defender) is an antivirus software component for Microsoft Windows and mobile. It was first released as a downloadable free anti-spyware program for Windows XP and was shipped with Windows Vista and Windows 7. It has evolved into a full antivirus program, replacing Microsoft Security Essentials in…
History, Features & Overview
Explore the main themes, entities and connections around Microsoft Defender Antivirus. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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windows microsoft defender antivirus security protection released also software beta system 10 malware update user program application essentials users first
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Microsoft Defender Antivirus | Android | 1.0.9014.0101 / June 19, 2026; 2 months ago (2026-06-19) | 1.00 | infobox |
| Microsoft Defender Antivirus | Developer | Microsoft | 1.00 | infobox |
| Microsoft Defender Antivirus | iOS[a] | 1.1.7802.0101 / June 11, 2026; 2 months ago (2026-06-11) | 1.00 | infobox |
| Microsoft Defender Antivirus | License | Proprietary | 1.00 | infobox |
| Microsoft Defender Antivirus | Operating system | Windows 7 SP1+ | 1.00 | infobox |
| Microsoft Defender Antivirus | Operating system | Windows Server 2008 R2 SP1+ | 1.00 | infobox |
| Microsoft Defender Antivirus | Operating system | Android 11+ | 1.00 | infobox |
| Microsoft Defender Antivirus | Operating system | iOS 17+[a] | 1.00 | infobox |
| Microsoft Defender Antivirus | Original author | Microsoft | 1.00 | infobox |
| Microsoft Defender Antivirus | Other names | Windows Defender Windows Security | 1.00 | infobox |
| Microsoft Defender Antivirus | Platform | PlatformMay 2026 Update (4.18.26050.15) / June 22, 2026; 2 months ago (2026-06-22)Windows appFebruary 2026 Update (102.2602.23002) / June 3, 2026; 2 months ago (2026-06-03)Andro… | 1.00 | infobox |
| Microsoft Defender Antivirus | Platform | May 2026 Update (4.18.26050.15) / June 22, 2026; 2 months ago (2026-06-22) | 1.00 | infobox |
| Microsoft Defender Antivirus | Platform | Windows | 1.00 | infobox |
| Microsoft Defender Antivirus | Predecessor | Microsoft Security Essentials | 1.00 | infobox |
| Microsoft Defender Antivirus | Type | Antivirus software, personal firewall, parental control, intrusion prevention, email filtering and anti-phishing | 1.00 | infobox |
| Microsoft Defender Antivirus | Windows app | February 2026 Update (102.2602.23002) / June 3, 2026; 2 months ago (2026-06-03) | 1.00 | infobox |
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