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Kaspersky was indeed perfect, with a 100% detection average and zero false positives.
BITDEFENDER ANTIVIRUS FREE EDITION. SERIES
In Austrian lab AV-Comparatives' February-May 2019 series of tests, Bitdefender's defenses were nearly perfect, stopping an average of 99.9% of online malware and racking up just two false positives. Microsoft had 39 and Avast and AVG 26 each, while Kaspersky had only three, indicating a well-tuned detection engine. However, Bitdefender registered the most false positives - 47 - among all five malware engines over those two-plus years. They missed some zero-day malware 15 times since January 2017, and some widespread malware 10 times. Windows Defender was in the middle of the pack, consistently detecting either 100% or 99.9% of known malware, but missing the mark with zero-day malware seven times over 28 months.īringing up the rear were Avast and AVG, which use the same malware engine.
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Only Kaspersky did better, detecting both types of malware all the time until it finally stumbled in April 2020 with a 99.0% detection rate of zero-day malware. Over all 24 of German lab AV-Test's monthly evaluations in 20, and in the first four tests of 2020, Bitdefender detected 100% of known "widespread" malware in every time, but missed some previously unseen "zero-day" malware three times. In recent evaluations conducted by independent malware-testing labs, Bitdefender did very well, although it showed a tendency to make false warnings. (Image credit: Tom's Guide) Bitdefender Antivirus Free Edition: Antivirus performance