# Cyber Exposure Manager vs Microsoft Defender EASM: side-by-side comparison (2026) [Cyber Exposure Manager](https://cybersectools.com/tools/galileo-security) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Galileo Security](https://cybersectools.com/companies/galileo-security). [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 | | Cyber Exposure Manager | Microsoft Defender EASM | |---|---|---| | 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, Startup | SMB, Mid-Market, Enterprise | | Company | Galileo Security | Microsoft | | Headquarters | – | – | ### Use cases and capabilities | | Cyber Exposure Manager | Microsoft Defender EASM | |---|---|---| | Vulnerability Prioritization | Yes | – | | Cyber Threat Intelligence | Yes | – | | Threat Management | Yes | – | | CVE | Yes | – | | Misconfiguration | Yes | – | | Secret Detection | Yes | – | | REST API | Yes | – | | Digital Risk Protection | Yes | – | ### Core features **Cyber Exposure Manager** 10 features listed. Sign in on the page to see them. **Microsoft Defender EASM** 10 features listed. Sign in on the page to see them. ### Integrations **Cyber Exposure Manager** 3 integrations listed. Sign in on the page to see them. **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. - [Cyber Exposure Manager](https://cybersectools.com/tools/galileo-security) fits if you are a startup. ## Cyber Exposure Manager vs Microsoft Defender EASM FAQ Common questions when comparing Cyber Exposure Manager vs Microsoft Defender EASM for external attack surface management. ### What is the difference between Cyber Exposure Manager and Microsoft Defender EASM? **Cyber Exposure Manager**: Cyber Exposure Manager: continuous visibility and remediation for external risk, built by Galileo Security. **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 Cyber Exposure Manager and Microsoft Defender EASM? **Cyber Exposure Manager** is made by Galileo Security founded in 2025-01-01T00:00:00.000Z. **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 Cyber Exposure Manager a good alternative to Microsoft Defender EASM? Often, yes. Cyber Exposure Manager and Microsoft Defender EASM are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Cyber Exposure Manager vs FalconTech Threat Hunter](https://cybersectools.com/compare/falcontech-threat-hunter-vs-galileo-security) - [Cyber Exposure Manager vs GuardEon](https://cybersectools.com/compare/galileo-security-vs-guardeon) - [Cyber Exposure Manager vs Wallarm API Attack Surface Management](https://cybersectools.com/compare/galileo-security-vs-wallarm-api-attack-surface-management) - [Microsoft Defender EASM vs FalconTech Threat Hunter](https://cybersectools.com/compare/falcontech-threat-hunter-vs-microsoft-defender-external-attack-surface-management) - [Microsoft Defender EASM vs GuardEon](https://cybersectools.com/compare/guardeon-vs-microsoft-defender-external-attack-surface-management) - [Microsoft Defender EASM vs Wallarm API Attack Surface Management](https://cybersectools.com/compare/microsoft-defender-external-attack-surface-management-vs-wallarm-api-attack-surface-management) ## Alternatives to each - [See all Cyber Exposure Manager alternatives](https://cybersectools.com/alternatives/galileo-security) - [See all Microsoft Defender EASM alternatives](https://cybersectools.com/alternatives/microsoft-defender-external-attack-surface-management) --- Source: https://cybersectools.com/compare/galileo-security-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/galileo-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Cyber Exposure Manager 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