# Cert Spotter vs Guardz External Footprint: side-by-side comparison (2026)

[Cert Spotter](https://cybersectools.com/tools/cert-spotter) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. [Guardz External Footprint](https://cybersectools.com/tools/guardz-external-footprint) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Guardz](https://cybersectools.com/companies/guardz). 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

| | Cert Spotter | Guardz External Footprint |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| GitHub stars | 1,132 | – |
| Last commit | Jan 2026 | – |
| Company | – | Guardz |
| Headquarters | – | – |

### Use cases and capabilities

| | Cert Spotter | Guardz External Footprint |
|---|---|---|
| TLS | Yes | Yes |
| SSL | Yes | Yes |
| Alerting | Yes | – |
| Dark Web Monitoring | – | Yes |
| DNS Security | – | Yes |
| Multi Tenancy | – | Yes |

### Core features

**Cert Spotter**

No features listed.

**Guardz External Footprint**

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

### Integrations

**Cert Spotter**

No integrations listed.

**Guardz External Footprint**

2 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.

- [Cert Spotter](https://cybersectools.com/tools/cert-spotter) fits if you need both cloud and on-premises options, you are a startup, you need a free product and you want an open-source product.
- [Guardz External Footprint](https://cybersectools.com/tools/guardz-external-footprint) fits if you want a cloud product.

## Cert Spotter vs Guardz External Footprint FAQ

Common questions when comparing Cert Spotter vs Guardz External Footprint for external attack surface management.

### What is the difference between Cert Spotter and Guardz External Footprint?

**Cert Spotter**: A Certificate Transparency log monitor that alerts users when SSL/TLS certificates are issued for their domains, helping detect unauthorized certificate issuance and potential security threats.

**Guardz External Footprint**: External attack surface monitoring with dark web intelligence and scanning. Built by Guardz.

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

### Who makes Cert Spotter and Guardz External Footprint?

**Cert Spotter** is open-source with 1,132 GitHub stars. **Guardz External Footprint** is made by Guardz. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Cert Spotter a good alternative to Guardz External Footprint?

Often, yes. Cert Spotter and Guardz External Footprint are both External Attack Surface Management products, and both cover SSL, TLS. Key differences: Cert Spotter is Free while Guardz External Footprint is Commercial, Cert Spotter is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Cert Spotter vs ThreatDefence Integrated ASM](https://cybersectools.com/compare/cert-spotter-vs-threatdefence-integrated-asm)
- [Cert Spotter vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-cert-spotter)
- [Cert Spotter vs crt.guru](https://cybersectools.com/compare/cert-spotter-vs-crtguru)
- [Guardz External Footprint vs ThreatDefence Integrated ASM](https://cybersectools.com/compare/guardz-external-footprint-vs-threatdefence-integrated-asm)
- [Guardz External Footprint vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-guardz-external-footprint)
- [Guardz External Footprint vs crt.guru](https://cybersectools.com/compare/crtguru-vs-guardz-external-footprint)

## Alternatives to each

- [See all Cert Spotter alternatives](https://cybersectools.com/alternatives/cert-spotter)
- [See all Guardz External Footprint alternatives](https://cybersectools.com/alternatives/guardz-external-footprint)

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Source: https://cybersectools.com/compare/cert-spotter-vs-guardz-external-footprint

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More on Cert Spotter and Guardz External Footprint: 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