HarfangLab EPP Antivirus is a commercial endpoint protection platform solution by HarfangLab. OnSystem Logic OnSystem Defender is a commercial endpoint protection platform solution by OnSystem Logic. Features, integrations, deployment and the company behind each one, side by side.
EPP antivirus with signature-based and behavioral malware detection
Endpoint app control & memory protection to prevent malware execution on Windows.
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Based on what each listing shows: deployment, company size, price and open source.
HarfangLab EPP Antivirus fits if you need both cloud and on-premises options and you are a startup.
OnSystem Logic OnSystem Defender fits if you need to run it on your own servers.
Common questions when comparing HarfangLab EPP Antivirus vs OnSystem Logic OnSystem Defender for endpoint protection platform.
HarfangLab EPP Antivirus: EPP antivirus with signature-based and behavioral malware detection, built by HarfangLab.
OnSystem Logic OnSystem Defender: Endpoint app control & memory protection to prevent malware execution on Windows, built by OnSystem Logic.
The table above shows where their features, integrations, deployment and company size fit differ.
HarfangLab EPP Antivirus is made by HarfangLab. OnSystem Logic OnSystem Defender is made by OnSystem Logic. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. HarfangLab EPP Antivirus and OnSystem Logic OnSystem Defender are both Endpoint Protection Platform products. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-01
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