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Security
Security Statistics and Reports
Performance Test October 2019
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<blockquote data-quote="Andy Ful" data-source="post: 858595" data-attributes="member: 32260"><p>Are you sure?</p><p>Memory usage (approximately):</p><p>Idle: Defender 120 MB (190 on my computer), BitDefender 640 MB, Kaspersky 320 MB.</p><p>Scanning: Defender 525 MB , BitDefender 855 MB, Kaspersky 435 MB.</p><p>Updating: Defender 275 MB, BitDefender 690 MB, Kaspersky 495 MB.</p><p></p><p></p><p>I do not think that this can have an impact on the performance in the home environment. This could be an issue on Windows Server with disabled auto-exclusions:</p><p>[URL unfurl="true"]https://docs.microsoft.com/en-gb/windows/security/threat-protection/windows-defender-antivirus/configure-server-exclusions-windows-defender-antivirus[/URL]</p><p></p><p>I think the WD caching is an issue because it is cleared when closing the system and not because it is poor. Other AVs probably do not clear the cache in this way. But, If the cache is not cleared frequently, then the AV has to apply a method to check the cached files frequently against new signatures. If I correctly recall, then BitDefender free constantly checks the files on disk (with low priority and low CPU usage).</p></blockquote><p></p>
[QUOTE="Andy Ful, post: 858595, member: 32260"] Are you sure? Memory usage (approximately): Idle: Defender 120 MB (190 on my computer), BitDefender 640 MB, Kaspersky 320 MB. Scanning: Defender 525 MB , BitDefender 855 MB, Kaspersky 435 MB. Updating: Defender 275 MB, BitDefender 690 MB, Kaspersky 495 MB. I do not think that this can have an impact on the performance in the home environment. This could be an issue on Windows Server with disabled auto-exclusions: [URL unfurl="true"]https://docs.microsoft.com/en-gb/windows/security/threat-protection/windows-defender-antivirus/configure-server-exclusions-windows-defender-antivirus[/URL] I think the WD caching is an issue because it is cleared when closing the system and not because it is poor. Other AVs probably do not clear the cache in this way. But, If the cache is not cleared frequently, then the AV has to apply a method to check the cached files frequently against new signatures. If I correctly recall, then BitDefender free constantly checks the files on disk (with low priority and low CPU usage). [/QUOTE]
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