# Microsoft Defender EASM vs Tenable Attack Surface Management

**Leader by vioscaleAI score:** Microsoft Defender EASM

| Attribute | Microsoft Defender EASM | Tenable Attack Surface Management |
|---|---|---|
| **vioscaleAI score** | 51 (37% (low)) | 40.6 (7% (low)) |
| content.faq | `[{"answer":"A cloud-based security service that discovers internet-facing resources and identifies vulnerabilities to help organizations proactively manage their external attack surface and security risks. It is indexed under Attack Surface Management.","source":"https://azure.microsoft.com/en-us/pricing/details/defender-external-attack-surface-management/","question":"What is Microsoft Defender EASM?","confidence":0.6},{"answer":"Microsoft Defender EASM does not publish its prices. Pricing is quoted on request, so the figure depends on your seat count and requirements. We record this as a pricing-transparency signal rather than guessing a number. Pricing changes often, so verify at source before relying on it.","source":"https://azure.microsoft.com/en-us/pricing/details/defender-external-attack-surface-management/","question":"How much does Microsoft Defender EASM cost?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Microsoft Defender EASM, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://azure.microsoft.com/en-us/pricing/details/defender-external-attack-surface-management/","question":"Can Microsoft Defender EASM be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001 and GDPR for Microsoft Defender EASM. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Microsoft Defender EASM not holding them. Always confirm compliance directly before you rely on it.","source":"https://azure.microsoft.com/en-us/explore/trusted-cloud/","question":"What security certifications does Microsoft Defender EASM have?","confidence":0.7},{"answer":"Microsoft Defender EASM is available worldwide. Its primary market is the United States.","source":"https://azure.microsoft.com/en-us/pricing/details/defender-external-attack-surface-management/","question":"Where is Microsoft Defender EASM available?","confidence":0.5}]` | `[{"answer":"A security platform that maps an organization's internet-exposed infrastructure, services, and assets, then applies business context to help prioritize and manage external attack surface risks. It is indexed under Attack Surface Management.","source":"https://www.tenable.com/cloud-security/pricing","question":"What is Tenable Attack Surface Management?","confidence":0.6},{"answer":"Tenable Attack Surface Management does not publish its prices. Pricing is quoted on request, so the figure depends on your seat count and requirements. We record this as a pricing-transparency signal rather than guessing a number. Pricing changes often, so verify at source before relying on it.","source":"https://www.tenable.com/cloud-security/pricing","question":"How much does Tenable Attack Surface Management cost?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Tenable Attack Surface Management, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.tenable.com/cloud-security/pricing","question":"Can Tenable Attack Surface Management be self-hosted?","confidence":0.6},{"answer":"Tenable Attack Surface Management is available worldwide. The vendor is headquartered in the United States.","source":"https://www.tenable.com/cloud-security/pricing","question":"Where is Tenable Attack Surface Management available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | A cloud-based security service that discovers internet-facing resources and identifies vulnerabilities to help organizations proactively manage their external attack surface and security risks. | A security platform that maps an organization's internet-exposed infrastructure, services, and assets, then applies business context to help prioritize and manage external attack surface risks. |
| features.capabilities | `{"pricing_model":"quote","deployment_model":"cloud_managed_easm","agentless_external_discovery":true}` | - |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"Splunk"}]` |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| pricing | `{"type":"quote","currency":"USD","sourceUrl":"https://azure.microsoft.com/en-us/pricing/details/defender-external-attack-surface-management/","retrievedAt":"2026-09-04T17:56:18.110Z"}` | `{"type":"quote","summary":"Custom quote-based pricing; contact sales for a customized quote","freeTier":false,"sourceUrl":"https://www.tenable.com/cloud-security/pricing","retrievedAt":"2026-08-17T21:34:29.926Z"}` |
| pricing.free_tier | - | no |
| pricing.model | quote | quote |
| pricing.price_level | unknown | unknown |
| pricing.transparent | no | no |
| security.gdpr | yes | - |
| security.iso27001 | yes | - |
| security.soc2 | yes | - |
| security.trust_center | https://azure.microsoft.com/en-us/explore/security/ | https://www.tenable.com/blog/security-center-32-released |

## Capabilities (Attack Surface Management)

| Capability | Microsoft Defender EASM | Tenable Attack Surface Management |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Deployment model | Cloud managed easm | - |
| Continuous daily scanning | - | - |
| Agentless external discovery | ✓ | - |
| Automated asset attribution | - | - |
| Cloud cspm integration | - | - |
| Certificate transparency monitoring | - | - |
| Dark web exposure monitoring | - | - |
| Servicenow CMDB sync | - | - |
| Jira ticketing integration | - | - |
| Cve vulnerability mapping | - | - |
| SOC2 type ii | - | - |
| ISO 27001 | - | - |
| Pricing model | Quote | - |

*Source: vioscaleAI. Generated 2026-10-15T22:03:33.719Z. "-" = undocumented, not absent.*