AV-Comparatives, AV-TEST show how Defender, McAfee, Norton, AVG hog your Windows 11, 10 PCs December 9, 2023 by admin Tweet Microsoft Defender is found to be one of the worst performers in AV-Comparatives test suite which measured performance impact by anti-malware apps. AV-TEST also found similar results. Read more… Neowin Related Posts:AV-TEST: Microsoft Defender, Kaspersky,…It's last place again for Microsoft Defender, this…AV-Comparatives' latest test finds Microsoft…Microsoft Defender back to its charming best in the…Move back to Windows 10 from 11 sees Microsoft…