# Hadrian Agentic AI vs Siemba EASM: side-by-side comparison (2026)

[Hadrian Agentic AI](https://cybersectools.com/tools/hadrian-agentic-ai) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Hadrian](https://cybersectools.com/companies/hadrian). [Siemba EASM](https://cybersectools.com/tools/siemba-easm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Siemba](https://cybersectools.com/companies/siemba). Features, integrations, deployment and the company behind each one, side by side.

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

| | Hadrian Agentic AI | Siemba EASM |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Hadrian | Siemba |
| Headquarters | – | – |

### Use cases and capabilities

| | Hadrian Agentic AI | Siemba EASM |
|---|---|---|
| Misconfiguration | – | Yes |
| TLS | – | Yes |

### Core features

**Hadrian Agentic AI**

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

**Siemba EASM**

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

### Integrations

**Hadrian Agentic AI**

No integrations listed.

**Siemba EASM**

6 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.

- [Siemba EASM](https://cybersectools.com/tools/siemba-easm) fits if you are a small business.

## Hadrian Agentic AI vs Siemba EASM FAQ

Common questions when comparing Hadrian Agentic AI vs Siemba EASM for external attack surface management.

### What is the difference between Hadrian Agentic AI and Siemba EASM?

**Hadrian Agentic AI**: AI-powered platform for continuous attack surface discovery and pentesting. Built by Hadrian.

**Siemba EASM**: AI-driven EASM platform for discovering and monitoring external-facing assets. Built by Siemba.

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

### Who makes Hadrian Agentic AI and Siemba EASM?

**Hadrian Agentic AI** is made by Hadrian. **Siemba EASM** is made by Siemba. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Hadrian Agentic AI a good alternative to Siemba EASM?

Often, yes. Hadrian Agentic AI and Siemba EASM are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Hadrian Agentic AI vs Cyber Exposure Manager](https://cybersectools.com/compare/galileo-security-vs-hadrian-agentic-ai)
- [Hadrian Agentic AI vs CyberXTron ShadowSpot](https://cybersectools.com/compare/cyberxtron-shadowspot-vs-hadrian-agentic-ai)
- [Hadrian Agentic AI vs Strobes Attack Surface Management](https://cybersectools.com/compare/hadrian-agentic-ai-vs-strobes-attack-surface-management)
- [Siemba EASM vs Cyber Exposure Manager](https://cybersectools.com/compare/galileo-security-vs-siemba-easm)
- [Siemba EASM vs CyberXTron ShadowSpot](https://cybersectools.com/compare/cyberxtron-shadowspot-vs-siemba-easm)
- [Siemba EASM vs Strobes Attack Surface Management](https://cybersectools.com/compare/siemba-easm-vs-strobes-attack-surface-management)

## Alternatives to each

- [See all Hadrian Agentic AI alternatives](https://cybersectools.com/alternatives/hadrian-agentic-ai)
- [See all Siemba EASM alternatives](https://cybersectools.com/alternatives/siemba-easm)

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Source: https://cybersectools.com/compare/hadrian-agentic-ai-vs-siemba-easm

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/hadrian-agentic-ai.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Hadrian Agentic AI and Siemba 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