

On the other hand, The Austrian Lab AV-Comparatives detected a higher number of false positives, hovering around 20 per month. The false-positive rate came at 2.7%, which is actually quite decent.

On rare occasions, Windows Defender failed to detect some zero-day malware threats.ĪV-Comparatives have also concluded similar results around the 99% mark. The German Lab AV-Test found that Windows Defender can block over 99.9% of malware and only give very few false positives from time to time. Do I Need Anti-malware Software with Windows Defender?.How Do I Turn on Virus Threat Protection in Windows Defender?.How does Window Defender Compare to Other Anti-viruses.Microsoft Windows Defender Security Center.Windows Defender Review: Is This Microsoft Antivirus Software Enough?.
