# Microsoft Defender vs Promisec Endpoint Manager (PEM): side-by-side comparison (2026) [Microsoft Defender](https://cybersectools.com/tools/microsoft-defender) is a commercial [endpoint protection platform](https://cybersectools.com/categories/epp) solution by [Microsoft](https://cybersectools.com/companies/microsoft). [Promisec Endpoint Manager (PEM)](https://cybersectools.com/tools/promisec-pem-promisec-endpoint-manager) is a commercial [endpoint protection platform](https://cybersectools.com/categories/epp) solution by [Promisec](https://cybersectools.com/companies/promisec). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Microsoft Defender | Promisec Endpoint Manager (PEM) | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Endpoint Protection Platform | Endpoint Protection Platform | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | Startup | SMB, Mid-Market, Enterprise | | Company | Microsoft | Promisec | | Headquarters | – | – | ### Use cases and capabilities | | Microsoft Defender | Promisec Endpoint Manager (PEM) | |---|---|---| | Patch Management | – | Yes | | Visibility | – | Yes | ### Core features **Microsoft Defender** 10 features listed. Sign in on the page to see them. **Promisec Endpoint Manager (PEM)** 10 features listed. Sign in on the page to see them. ### Integrations **Microsoft Defender** 1 integration listed. Sign in on the page to see them. **Promisec Endpoint Manager (PEM)** 1 integration listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Microsoft Defender](https://cybersectools.com/tools/microsoft-defender) fits if you are a startup. - [Promisec Endpoint Manager (PEM)](https://cybersectools.com/tools/promisec-pem-promisec-endpoint-manager) fits if you are a small business or a mid-market company or an enterprise. ## Microsoft Defender vs Promisec Endpoint Manager (PEM) FAQ Common questions when comparing Microsoft Defender vs Promisec Endpoint Manager (PEM) for endpoint protection platform. ### What is the difference between Microsoft Defender and Promisec Endpoint Manager (PEM)? **Microsoft Defender**: Security app for individuals/families protecting devices from online threats. Built by Microsoft. **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. ### Who makes Microsoft Defender and Promisec Endpoint Manager (PEM)? **Microsoft Defender** is made by Microsoft. **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. ### Is Microsoft Defender a good alternative to Promisec Endpoint Manager (PEM)? Often, yes. Microsoft 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. ## Related comparisons - [Microsoft Defender vs Glow](https://cybersectools.com/compare/glow-vs-microsoft-defender) - [Microsoft Defender vs Syxsense](https://cybersectools.com/compare/microsoft-defender-vs-syxsense) - [Microsoft Defender vs NinjaOne Autonomous Patch Management](https://cybersectools.com/compare/microsoft-defender-vs-ninjaone-autonomous-patch-management) - [Promisec Endpoint Manager (PEM) vs Glow](https://cybersectools.com/compare/glow-vs-promisec-pem-promisec-endpoint-manager) - [Promisec Endpoint Manager (PEM) vs Syxsense](https://cybersectools.com/compare/promisec-pem-promisec-endpoint-manager-vs-syxsense) - [Promisec Endpoint Manager (PEM) vs NinjaOne Autonomous Patch Management](https://cybersectools.com/compare/ninjaone-autonomous-patch-management-vs-promisec-pem-promisec-endpoint-manager) ## Alternatives to each - [See all Microsoft Defender alternatives](https://cybersectools.com/alternatives/microsoft-defender) - [See all Promisec Endpoint Manager (PEM) alternatives](https://cybersectools.com/alternatives/promisec-pem-promisec-endpoint-manager) --- Source: https://cybersectools.com/compare/microsoft-defender-vs-promisec-pem-promisec-endpoint-manager For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/microsoft-defender.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Microsoft Defender and Promisec Endpoint Manager (PEM): funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md