Microsoft Defender
Information
Microsoft was founded in 1975, with headquarters in Redmond, Washington.
Microsoft Security Essentials was introduced in 2009 as standalone malware protection for Windows XP, Vista and 7. It is integrated into Windows 8, 8.1 and 10 as Windows Defender and rebranded as Microsoft Defender Antivirus in 2020.
Microsoft joined AV-Comparatives’ Main Test Series in 2007.
Screenshots
Latest Tests
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Real-World Protection Test July-October 2023
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Performance Test October 2023
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Advanced Threat Protection Test 2022 - Consumer
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Summary Report 2020Bronze
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Summary Report 2020approved
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False Alarm Test September 2020
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Malware Protection Test September 2020
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Malware Removal Test 2017
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Review of Free Antivirus Software 2017
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File Detection Test September 2016tested