What are the key differences between Microsoft Defender and Windows Defender Firewall?

Compare Microsoft Defender and Windows Defender Firewall side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Microsoft Defender and Windows Defender Firewall scored?

Microsoft Defender has an AI score of 6.2/10 and Windows Defender Firewall has an AI score of 5.1/10. Scores are based on features, user satisfaction, and overall quality analysis.

Microsoft Defender vs Windows Defender Firewall 2026 — Compared

Microsoft Defender

Windows Defender Firewall

WINNER Microsoft Defender

Microsoft Defender edges ahead with a score of 6.2/10 compared to 5.1/10 for Windows Defender Firewall. While both are h...

emoji_events WINNER

Microsoft Defender

6.2 Fair

Malware Removal Get Microsoft Defender open_in_new

Microsoft Defender edges ahead with a score of 6.2/10 compared to 5.1/10 for Windows Defender Firewall. While both are highly rated in their respective fields, Microsoft Defender demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Microsoft Defender

verified Confidence: Low

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description Overview

Microsoft Defender

Microsoft Defender is the built-in security solution for Windows. It has improved significantly over the years and now provides solid, baseline protection against malware, ransomware, and phishing. It is completely free, integrated into the OS, and requires no setup. While it is sufficient for the average user who practices safe browsing habits, it often lacks the advanced heuristic and behavioral...

Windows Defender Firewall

Windows Defender Firewall is the built-in security tool for Windows. It is a stateful packet inspection firewall that provides essential protection against unauthorized inbound and outbound traffic. While it is not as feature-rich as third-party solutions, it is highly reliable, well-integrated, and completely free. For the vast majority of home users, it provides a sufficient level of security. I...