# Hadrian Agentic AI vs SurfaceDiff: 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). [SurfaceDiff](https://cybersectools.com/tools/surfacediff) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [SurfaceDiff](https://cybersectools.com/companies/surfacediff). 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 | SurfaceDiff |
|---|---|---|
| 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 | Startup, SMB, Mid-Market, Enterprise |
| Company | Hadrian | SurfaceDiff |
| Headquarters | – | – |

### Use cases and capabilities

| | Hadrian Agentic AI | SurfaceDiff |
|---|---|---|
| DNS Security | – | Yes |
| Port Scanning | – | Yes |
| TLS | – | Yes |
| Subdomain Enumeration | – | Yes |
| Network Scanning | – | Yes |
| Security Scanning | – | Yes |
| Alerting | – | Yes |
| Reconnaissance | – | Yes |
| Visibility | – | Yes |
| Web Security | – | Yes |

### Core features

**Hadrian Agentic AI**

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

**SurfaceDiff**

9 features 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.

- [SurfaceDiff](https://cybersectools.com/tools/surfacediff) fits if you are a startup or a small business.

## Hadrian Agentic AI vs SurfaceDiff FAQ

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

### What is the difference between Hadrian Agentic AI and SurfaceDiff?

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

**SurfaceDiff**: Continuous external attack surface monitoring that shows what changed between scans, built by SurfaceDiff.

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

### Who makes Hadrian Agentic AI and SurfaceDiff?

**Hadrian Agentic AI** is made by Hadrian. **SurfaceDiff** is made by SurfaceDiff. 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 SurfaceDiff?

Often, yes. Hadrian Agentic AI and SurfaceDiff 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 DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-hadrian-agentic-ai)
- [Hadrian Agentic AI vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-hadrian-agentic-ai)
- [Hadrian Agentic AI vs Trickest ASM - Attack Surface Management](https://cybersectools.com/compare/hadrian-agentic-ai-vs-trickest-asm-attack-surface-management)
- [SurfaceDiff vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-surfacediff)
- [SurfaceDiff vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-surfacediff)
- [SurfaceDiff vs Trickest ASM - Attack Surface Management](https://cybersectools.com/compare/surfacediff-vs-trickest-asm-attack-surface-management)

## Alternatives to each

- [See all Hadrian Agentic AI alternatives](https://cybersectools.com/alternatives/hadrian-agentic-ai)
- [See all SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff)

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

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 SurfaceDiff: 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