# Microsoft Defender EASM vs Strobes Attack Surface Management: 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). [Strobes Attack Surface Management](https://cybersectools.com/tools/strobes-attack-surface-management) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Strobes Security](https://cybersectools.com/companies/strobes-security). 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 | Strobes Attack Surface Management |
|---|---|---|
| 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 | Strobes Security |
| Headquarters | – | – |

### Use cases and capabilities

| | Microsoft Defender EASM | Strobes Attack Surface Management |
|---|---|---|
| Misconfiguration | – | Yes |
| Zero Day | – | Yes |

### Core features

**Microsoft Defender EASM**

10 features listed. Sign in on the page to see them.

**Strobes Attack Surface Management**

8 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.

**Strobes Attack Surface Management**

36 integrations listed. Sign in on the page to see them.

## Microsoft Defender EASM vs Strobes Attack Surface Management FAQ

Common questions when comparing Microsoft Defender EASM vs Strobes Attack Surface Management for external attack surface management.

### What is the difference between Microsoft Defender EASM and Strobes Attack Surface Management?

**Microsoft Defender EASM**: Discovers and monitors external-facing assets and vulnerabilities, built by Microsoft.

**Strobes Attack Surface Management**: Platform for continuous attack surface discovery, monitoring, and remediation, built by Strobes Security.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Microsoft Defender EASM and Strobes Attack Surface Management?

**Microsoft Defender EASM** is made by Microsoft. **Strobes Attack Surface Management** is made by Strobes Security. 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 Strobes Attack Surface Management?

Often, yes. Microsoft Defender EASM and Strobes Attack Surface Management 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 Siemba EASM](https://cybersectools.com/compare/microsoft-defender-external-attack-surface-management-vs-siemba-easm)
- [Microsoft Defender EASM vs Cyber Exposure Manager](https://cybersectools.com/compare/galileo-security-vs-microsoft-defender-external-attack-surface-management)
- [Microsoft Defender EASM vs CyberXTron ShadowSpot](https://cybersectools.com/compare/cyberxtron-shadowspot-vs-microsoft-defender-external-attack-surface-management)
- [Strobes Attack Surface Management vs Siemba EASM](https://cybersectools.com/compare/siemba-easm-vs-strobes-attack-surface-management)
- [Strobes Attack Surface Management vs Cyber Exposure Manager](https://cybersectools.com/compare/galileo-security-vs-strobes-attack-surface-management)
- [Strobes Attack Surface Management vs CyberXTron ShadowSpot](https://cybersectools.com/compare/cyberxtron-shadowspot-vs-strobes-attack-surface-management)

## Alternatives to each

- [See all Microsoft Defender EASM alternatives](https://cybersectools.com/alternatives/microsoft-defender-external-attack-surface-management)
- [See all Strobes Attack Surface Management alternatives](https://cybersectools.com/alternatives/strobes-attack-surface-management)

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Source: https://cybersectools.com/compare/microsoft-defender-external-attack-surface-management-vs-strobes-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/microsoft-defender-external-attack-surface-management.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Microsoft Defender EASM and Strobes Attack Surface Management: 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