# crt.guru vs StrikeOne Attack Surfa: side-by-side comparison (2026)

[crt.guru](https://cybersectools.com/tools/crtguru) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Crt.guru](https://cybersectools.com/companies/crtguru). [StrikeOne Attack Surfa](https://cybersectools.com/tools/strikeone-attack-surfa) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [StrikeOne](https://cybersectools.com/companies/strikeone). 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

| | crt.guru | StrikeOne Attack Surfa |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Crt.guru | StrikeOne |
| Headquarters | – | – |

### Use cases and capabilities

| | crt.guru | StrikeOne Attack Surfa |
|---|---|---|
| TLS | Yes | – |
| SSL | Yes | – |
| PCI DSS | Yes | – |
| NIST | Yes | – |
| Security Scanning | Yes | – |
| Alerting | Yes | – |
| Security Compliance Training | Yes | – |
| Security Reporting | Yes | – |
| Vulnerability | Yes | – |
| REST API | Yes | – |
| Visibility | – | Yes |

### Core features

**crt.guru**

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

**StrikeOne Attack Surfa**

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

### Integrations

**crt.guru**

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

**StrikeOne Attack Surfa**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [crt.guru](https://cybersectools.com/tools/crtguru) fits if you are a startup.

## crt.guru vs StrikeOne Attack Surfa FAQ

Common questions when comparing crt.guru vs StrikeOne Attack Surfa for external attack surface management.

### What is the difference between crt.guru and StrikeOne Attack Surfa?

**crt.guru**: External TLS cert monitoring with expiry alerts, vuln scanning & compliance reports. Built by Crt.guru.

**StrikeOne Attack Surfa**: AI-powered attack surface management platform for cybersecurity monitoring. Built by StrikeOne.

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

### Who makes crt.guru and StrikeOne Attack Surfa?

**crt.guru** is made by Crt.guru. **StrikeOne Attack Surfa** is made by StrikeOne. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is crt.guru a good alternative to StrikeOne Attack Surfa?

Often, yes. crt.guru and StrikeOne Attack Surfa are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [crt.guru vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-crtguru)
- [crt.guru vs SurfaceDiff](https://cybersectools.com/compare/crtguru-vs-surfacediff)
- [crt.guru vs Attaxion](https://cybersectools.com/compare/attaxion-vs-crtguru)
- [StrikeOne Attack Surfa vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-strikeone-attack-surfa)
- [StrikeOne Attack Surfa vs SurfaceDiff](https://cybersectools.com/compare/strikeone-attack-surfa-vs-surfacediff)
- [StrikeOne Attack Surfa vs Attaxion](https://cybersectools.com/compare/attaxion-vs-strikeone-attack-surfa)

## Alternatives to each

- [See all crt.guru alternatives](https://cybersectools.com/alternatives/crtguru)
- [See all StrikeOne Attack Surfa alternatives](https://cybersectools.com/alternatives/strikeone-attack-surfa)

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Source: https://cybersectools.com/compare/crtguru-vs-strikeone-attack-surfa

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More on crt.guru and StrikeOne Attack Surfa: 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