# Microsoft Defender EASM vs ThreatMon Attack Surface Intelligence: side-by-side comparison (2026) [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). [ThreatMon Attack Surface Intelligence](https://cybersectools.com/tools/threatmon-attack-surface-intelligence) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [ThreatMon](https://cybersectools.com/companies/threatmon). 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 | | Microsoft Defender EASM | ThreatMon Attack Surface Intelligence | |---|---|---| | Pricing model | Commercial | Commercial | | Category | External Attack Surface Management | External Attack Surface Management | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Microsoft | ThreatMon | | Headquarters | – | – | ### Core features **Microsoft Defender EASM** 10 features listed. Sign in on the page to see them. **ThreatMon Attack Surface Intelligence** 10 features listed. Sign in on the page to see them. ### Integrations **Microsoft Defender EASM** 4 integrations listed. Sign in on the page to see them. **ThreatMon Attack Surface Intelligence** 16 integrations listed. Sign in on the page to see them. ## Microsoft Defender EASM vs ThreatMon Attack Surface Intelligence FAQ Common questions when comparing Microsoft Defender EASM vs ThreatMon Attack Surface Intelligence for external attack surface management. ### What is the difference between Microsoft Defender EASM and ThreatMon Attack Surface Intelligence? **Microsoft Defender EASM**: Discovers and monitors external-facing assets and vulnerabilities. Built by Microsoft. **ThreatMon Attack Surface Intelligence**: Attack surface management platform for asset discovery and vulnerability monitoring. Built by ThreatMon. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Microsoft Defender EASM and ThreatMon Attack Surface Intelligence? **Microsoft Defender EASM** is made by Microsoft. **ThreatMon Attack Surface Intelligence** is made by ThreatMon. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Microsoft Defender EASM a good alternative to ThreatMon Attack Surface Intelligence? Often, yes. Microsoft Defender EASM and ThreatMon Attack Surface Intelligence are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [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) - [Microsoft Defender EASM vs Hadrian Agentic AI](https://cybersectools.com/compare/microsoft-defender-external-attack-surface-management-vs-hadrian-agentic-ai) - [ThreatMon Attack Surface Intelligence vs Outpost24 External Attack Surface Management](https://cybersectools.com/compare/outpost24-external-attack-surface-management-vs-threatmon-attack-surface-intelligence) - [ThreatMon Attack Surface Intelligence vs StrikeOne Attack Surfa](https://cybersectools.com/compare/strikeone-attack-surfa-vs-threatmon-attack-surface-intelligence) - [ThreatMon Attack Surface Intelligence vs Hadrian Agentic AI](https://cybersectools.com/compare/hadrian-agentic-ai-vs-threatmon-attack-surface-intelligence) ## Alternatives to each - [See all Microsoft Defender EASM alternatives](https://cybersectools.com/alternatives/microsoft-defender-external-attack-surface-management) - [See all ThreatMon Attack Surface Intelligence alternatives](https://cybersectools.com/alternatives/threatmon-attack-surface-intelligence) --- Source: https://cybersectools.com/compare/microsoft-defender-external-attack-surface-management-vs-threatmon-attack-surface-intelligence For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/microsoft-defender-external-attack-surface-management.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Microsoft Defender EASM and ThreatMon Attack Surface Intelligence: 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