OnSystem Logic OnSystem Defender is a commercial endpoint protection platform solution by OnSystem Logic. Promisec Endpoint Manager (PEM) is a commercial endpoint protection platform solution by Promisec. Features, integrations, deployment and the company behind each one, side by side.
Endpoint app control & memory protection to prevent malware execution on Windows.
Agentless endpoint mgmt platform for vulnerability detection & patch mgmt
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Based on what each listing shows: deployment, company size, price and open source.
OnSystem Logic OnSystem Defender fits if you need to run it on your own servers.
Promisec Endpoint Manager (PEM) fits if you want a cloud product.
Common questions when comparing OnSystem Logic OnSystem Defender vs Promisec Endpoint Manager (PEM) for endpoint protection platform.
OnSystem Logic OnSystem Defender: Endpoint app control & memory protection to prevent malware execution on Windows. Built by OnSystem Logic.
Promisec Endpoint Manager (PEM): Agentless endpoint mgmt platform for vulnerability detection & patch mgmt. Built by Promisec.
The table above shows where their features, integrations, deployment and company size fit differ.
OnSystem Logic OnSystem Defender is made by OnSystem Logic. Promisec Endpoint Manager (PEM) is made by Promisec. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. OnSystem Logic OnSystem Defender and Promisec Endpoint Manager (PEM) 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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