Microsoft Defender Antivirus
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About
Microsoft Defender Antivirus is ranked #5 of 116 in antivirus software on Inferse, made by Microsoft Defender Antivirus (Redmond, Washington, USA). It runs on Windows.
Compared on antivirus software
- Free plan
- Yesmicrosoft.com
- Protection scope
- antivirusmicrosoft.com
- Supported platforms
- Windows 10, Windows 11microsoft.com
- Ransomware protection
- Yesmicrosoft.com
- Parental controls
- Nomicrosoft.com
- Password manager
- Nomicrosoft.com
Facts
- Free plan
- Yesmicrosoft.com · 20 Sept 2026
- Protection scope
- antivirusmicrosoft.com · 20 Sept 2026
- Supported platforms
- Windows 10,Windows 11microsoft.com · 20 Sept 2026
- Ransomware protection
- Yesmicrosoft.com · 20 Sept 2026
- Parental controls
- Nomicrosoft.com · 20 Sept 2026
- Password manager
- Nomicrosoft.com · 20 Sept 2026
Company
- Founded
- 1975microsoft.com · 23 Sept 2026
- Headquarters
- Redmond, Washington, USAmicrosoft.com · 23 Sept 2026
Best Microsoft Defender Antivirus alternatives
See all 12 7.5 Bitdefender Total Security $5/mo first paid tier Free trial 7.3 Bitdefender Antivirus Plus $2.08/mo first paid tier Free trial 
7.2 Avast One See plans price on the maker's page 
7.2 Malwarebytes Premium See plans price on the maker's page 
6.9 Windows Security See plans price on the maker's page 
6.8 Kaspersky Antivirus $4.58/mo first paid tier
7.2 Avast One See plans price on the maker's page 
7.2 Malwarebytes Premium See plans price on the maker's page 
6.9 Windows Security See plans price on the maker's page 
6.8 Kaspersky Antivirus $4.58/mo first paid tier Where it ranks on Inferse
- Best Antivirus Software in 2026#5 of 116
Sources
- microsoft.com/en-us/windows/comprehensive-security· checked 20 Sept 2026
- microsoft.com/en-us/microsoft-365/microsoft-defender-· checked 20 Sept 2026