# Pentera Surface vs s3viewer: side-by-side comparison (2026)

[Pentera Surface](https://cybersectools.com/tools/pentera-surface) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Pentera](https://cybersectools.com/companies/pentera). [s3viewer](https://cybersectools.com/tools/s3viewer) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. 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

| | Pentera Surface | s3viewer |
|---|---|---|
| Pricing model | Commercial | Free |
| 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 |
| GitHub stars | – | 448 |
| Last commit | – | Jul 2023 |
| Company | Pentera | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Pentera Surface | s3viewer |
|---|---|---|
| Attack Paths | Yes | – |
| Azure | – | Yes |
| S3 | – | Yes |
| AWS | – | Yes |
| Misconfiguration | – | Yes |

### Core features

**Pentera Surface**

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

**s3viewer**

No features listed.

### Integrations

**Pentera Surface**

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

**s3viewer**

No integrations listed.

## Which one fits you

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

- [s3viewer](https://cybersectools.com/tools/s3viewer) fits if you need a free product and you want an open-source product.

## Pentera Surface vs s3viewer FAQ

Common questions when comparing Pentera Surface vs s3viewer for external attack surface management.

### What is the difference between Pentera Surface and s3viewer?

**Pentera Surface**: External attack surface mgmt with automated pentesting and validation. Built by Pentera.

**s3viewer**: A storage exploration tool that provides unified access to view publicly accessible Amazon S3 buckets, Azure Blob storage, FTP servers, and HTTP directory listings.

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

### Who makes Pentera Surface and s3viewer?

**Pentera Surface** is made by Pentera. **s3viewer** is open-source with 448 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Pentera Surface a good alternative to s3viewer?

Often, yes. Pentera Surface and s3viewer are both External Attack Surface Management products. Key differences: Pentera Surface is Commercial while s3viewer is Free, s3viewer is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Pentera Surface vs RiskProfiler - Attack Surface Management](https://cybersectools.com/compare/pentera-surface-vs-riskprofiler-attack-surface-management)
- [Pentera Surface vs Intruder Attack Surface Management](https://cybersectools.com/compare/intruder-attack-surface-management-vs-pentera-surface)
- [Pentera Surface vs Vulneri ASM](https://cybersectools.com/compare/pentera-surface-vs-vulneri-asm-attack-surface-management)
- [s3viewer vs RiskProfiler - Attack Surface Management](https://cybersectools.com/compare/riskprofiler-attack-surface-management-vs-s3viewer)
- [s3viewer vs Intruder Attack Surface Management](https://cybersectools.com/compare/intruder-attack-surface-management-vs-s3viewer)
- [s3viewer vs Vulneri ASM](https://cybersectools.com/compare/s3viewer-vs-vulneri-asm-attack-surface-management)

## Alternatives to each

- [See all Pentera Surface alternatives](https://cybersectools.com/alternatives/pentera-surface)
- [See all s3viewer alternatives](https://cybersectools.com/alternatives/s3viewer)

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Source: https://cybersectools.com/compare/pentera-surface-vs-s3viewer

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

More on Pentera Surface and s3viewer: 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