# csprecon vs Microsoft Defender EASM: side-by-side comparison (2026) [csprecon](https://cybersectools.com/tools/csprecon) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. [Microsoft Defender EASM](https://cybersectools.com/tools/microsoft-defender-external-attack-surface-management) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Microsoft](https://cybersectools.com/companies/microsoft). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Microsoft Defender EASM](https://cybersectools.com/tools/microsoft-defender-external-attack-surface-management) Best for: Microsoft shops adding external asset discovery It belongs here if you already pay for Microsoft security, because discovered assets can move into Defender for Cloud and Copilot in Azure turns plain questions into inventory searches. It fits companies from small to enterprise. Its features center on discovery and flagging, so ask whether you also need active testing to prove which exposures are real. From [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more. ## Side-by-side comparison | | csprecon | Microsoft Defender EASM | |---|---|---| | Pricing model | Free | Commercial | | Category | External Attack Surface Management | External Attack Surface Management | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | GitHub stars | 482 | – | | Last commit | Aug 2025 | – | | Company | – | Microsoft | | Headquarters | – | – | ### Use cases and capabilities | | csprecon | Microsoft Defender EASM | |---|---|---| | Security Research | Yes | – | | Content Security Policy | Yes | – | ### Core features **csprecon** No features listed. **Microsoft Defender EASM** 10 features listed. Sign in on the page to see them. ### Integrations **csprecon** No integrations listed. **Microsoft Defender EASM** 4 integrations 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. - [csprecon](https://cybersectools.com/tools/csprecon) fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product. - [Microsoft Defender EASM](https://cybersectools.com/tools/microsoft-defender-external-attack-surface-management) fits if you want a cloud product. ## csprecon vs Microsoft Defender EASM FAQ Common questions when comparing csprecon vs Microsoft Defender EASM for external attack surface management. ### What is the difference between csprecon and Microsoft Defender EASM? **csprecon**: A tool to discover new target domains using Content Security Policy. **Microsoft Defender EASM**: Discovers and monitors external-facing assets and vulnerabilities. Built by Microsoft. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes csprecon and Microsoft Defender EASM? **csprecon** is open-source with 482 GitHub stars. **Microsoft Defender EASM** is made by Microsoft. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is csprecon a good alternative to Microsoft Defender EASM? Often, yes. csprecon and Microsoft Defender EASM are both External Attack Surface Management products. Key differences: csprecon is Free while Microsoft Defender EASM is Commercial, csprecon is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [csprecon vs Assetnote Exposure Engine](https://cybersectools.com/compare/assetnote-exposure-engine-vs-csprecon) - [csprecon vs Outpost24 External Attack Surface Management](https://cybersectools.com/compare/csprecon-vs-outpost24-external-attack-surface-management) - [csprecon vs StrikeOne Attack Surfa](https://cybersectools.com/compare/csprecon-vs-strikeone-attack-surfa) - [Microsoft Defender EASM vs Assetnote Exposure Engine](https://cybersectools.com/compare/assetnote-exposure-engine-vs-microsoft-defender-external-attack-surface-management) - [Microsoft Defender EASM vs Outpost24 External Attack Surface Management](https://cybersectools.com/compare/microsoft-defender-external-attack-surface-management-vs-outpost24-external-attack-surface-management) - [Microsoft Defender EASM vs StrikeOne Attack Surfa](https://cybersectools.com/compare/microsoft-defender-external-attack-surface-management-vs-strikeone-attack-surfa) ## Alternatives to each - [See all csprecon alternatives](https://cybersectools.com/alternatives/csprecon) - [See all Microsoft Defender EASM alternatives](https://cybersectools.com/alternatives/microsoft-defender-external-attack-surface-management) --- Source: https://cybersectools.com/compare/csprecon-vs-microsoft-defender-external-attack-surface-management For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/csprecon.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on csprecon and Microsoft Defender EASM: 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