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The tests, which were conducted in July-August 2022, placed Microsoft's in-house AV dead last among 19 tested products. Tests conducted by cyber-security assessment firm AV-TEST suggest that Microsoft Defender could be one of the worst AV programs for Windows 11. Related: Fake Windows 11 Upgrade Has Data-Stealing Malware added Kaspersky Lab to its list of national security threats and warned users that its AV software could be used by Russia to spy on Western targets.
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However, the Moscow-based Kaspersky has come under the scanner recently for its alleged ties with the Kremlin.
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Some of the most well-known Windows AV-makers include Avast, Avira, AVG, Kaspersky, BitDefender, Malwarebytes, and more.
![defender windows 11 defender windows 11](https://www.windowsblogitalia.com/wp-content/uploads/2015/12/Windows-Defender.png)
However, users can choose from dozens of different antivirus programs to keep themselves safe on the internet, and many of the most popular ones come for free. Malware is a massive issue across all platforms, including Windows.
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