Kaspersky Tops Antivirus Shootout, Windows Defender Worst of the Lot
By on May 28th, 2014

Anti-virus software is no longer a catch-all solution for your security due to the multitude of new vectors. However, it still makes sense to have an effective anti-virus software installed on your system. Renowned security testing lab Av-Test put 25 consumer antivirus-solutions through the wringer to determine how well they perform in real-world scenarios on Windows 8.1.

All the security apps were graded on three criteria – Protection, Performance, and Usability. The first criterion is an indication of the detection rate. Each security software was tested on a system with 20,646 known (malware that have been widespread and prevalent in the last four weeks) and 138 unknown samples. The Performance score is based on the amount of impact the security software had on the system performance, while usability is determined by the amount of false positives.

The good news is that most of the antivirus suites performed pretty well, with only three tools ending up with a detection rate below 94% on unknown malware. The average detection rate for known malware was 98%. The bad news is that Microsoft Windows Defender, which ships with Windows 8.1 performed abysmally. It was the worse of the lot scoring 0 points in protection. The other two poor performers in the heuristics test were the Tencent PC Manager and AhnLab V3 Internet Security. Even popular third-party freeware products like AVG and Avast performed relatively poorly. Panda Cloud Antivirus and Qihoo 360 Internet Security were the top performing free antivirus software.

Windows-Defender-Detection-Rate

Windows Defender Protection Results

The overall top performer was Kaspersky Internet Security 2014, which obtained a perfect score of 18. Qihoo, McAfee, Bitdefender and Avira scored 17.5 points. As many as nine antimalware apps got a perfect score in the detection tests. The high score were undoubtedly influenced by Av-Test’s decision to use only widespread and prevalent malware for the known samples test, but it also makes Windows Defender’s mere 79% detection rate look even worse.

Antivirus-Shootout-Result

Av-Test Antivirus Shootout Results

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Author: Pallab De Google Profile for Pallab De
Pallab De is a blogger from India who has a soft spot for anything techie. He loves trying out new software and spends most of his day breaking and fixing his PC. Pallab loves participating in the social web; he has been active in technology forums since he was a teenager and is an active user of both twitter (@indyan) and facebook .

Pallab De has written and can be contacted at pallab@techie-buzz.com.

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