# FirstWave Open-AudIT vs S4E CTEM & EASM Platform: side-by-side comparison (2026)

[FirstWave Open-AudIT](https://cybersectools.com/tools/firstwave-open-audit) is a commercial [cyber asset attack surface management](https://cybersectools.com/categories/caasm) solution by [FirstWave Cloud Technology](https://cybersectools.com/companies/firstwave-cloud-technology). [S4E CTEM & EASM Platform](https://cybersectools.com/tools/s4e-effortless-cybersecurity) is a commercial [exposure management](https://cybersectools.com/categories/exposure-management) solution by [S4E.io](https://cybersectools.com/companies/s4eio). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | FirstWave Open-AudIT | S4E CTEM & EASM Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Cyber Asset Attack Surface Management | Exposure Management |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | FirstWave Cloud Technology | S4E.io |
| Headquarters | – | – |

### Use cases and capabilities

| | FirstWave Open-AudIT | S4E CTEM & EASM Platform |
|---|---|---|
| Network Discovery | Yes | – |
| Configuration Management | Yes | – |
| Network Scanning | Yes | – |
| Inventory | Yes | – |
| License Compliance | Yes | – |
| Vulnerability | – | Yes |
| Security Scanning | – | Yes |
| Web Security | – | Yes |
| DAST | – | Yes |
| Reconnaissance | – | Yes |
| Subdomain Enumeration | – | Yes |
| Attack Paths | – | Yes |
| Education | – | Yes |
| AI Copilot | – | Yes |

### Core features

**FirstWave Open-AudIT**

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

**S4E CTEM & EASM Platform**

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

### Integrations

**FirstWave Open-AudIT**

1 integration listed. Sign in on the page to see them.

**S4E CTEM & EASM Platform**

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.

- [FirstWave Open-AudIT](https://cybersectools.com/tools/firstwave-open-audit) fits if you need to run it on your own servers and you are a startup.
- [S4E CTEM & EASM Platform](https://cybersectools.com/tools/s4e-effortless-cybersecurity) fits if you want a cloud product.

## FirstWave Open-AudIT vs S4E CTEM & EASM Platform FAQ

Common questions when comparing FirstWave Open-AudIT vs S4E CTEM & EASM Platform for cyber asset attack surface management.

### What is the difference between FirstWave Open-AudIT and S4E CTEM & EASM Platform?

**FirstWave Open-AudIT**: Agentless network discovery and IT asset auditing tool with config tracking. Built by FirstWave Cloud Technology.

**S4E CTEM & EASM Platform**: AI-powered CTEM & EASM platform for website vulnerability scanning. Built by S4E.io.

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

### Who makes FirstWave Open-AudIT and S4E CTEM & EASM Platform?

**FirstWave Open-AudIT** is made by FirstWave Cloud Technology. **S4E CTEM & EASM Platform** is made by S4E.io. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is FirstWave Open-AudIT a good alternative to S4E CTEM & EASM Platform?

In part. FirstWave Open-AudIT and S4E CTEM & EASM Platform are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [FirstWave Open-AudIT vs ApexaiQ](https://cybersectools.com/compare/apexaiq-vs-firstwave-open-audit)
- [FirstWave Open-AudIT vs Ivanti Neurons for Discovery](https://cybersectools.com/compare/firstwave-open-audit-vs-ivanti-neurons-for-discovery)
- [FirstWave Open-AudIT vs Lansweeper](https://cybersectools.com/compare/firstwave-open-audit-vs-lansweeper)
- [S4E CTEM & EASM Platform vs ApexaiQ](https://cybersectools.com/compare/apexaiq-vs-s4e-effortless-cybersecurity)
- [S4E CTEM & EASM Platform vs Ivanti Neurons for Discovery](https://cybersectools.com/compare/ivanti-neurons-for-discovery-vs-s4e-effortless-cybersecurity)
- [S4E CTEM & EASM Platform vs Lansweeper](https://cybersectools.com/compare/lansweeper-vs-s4e-effortless-cybersecurity)

## Alternatives to each

- [See all FirstWave Open-AudIT alternatives](https://cybersectools.com/alternatives/firstwave-open-audit)
- [See all S4E CTEM & EASM Platform alternatives](https://cybersectools.com/alternatives/s4e-effortless-cybersecurity)

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Source: https://cybersectools.com/compare/firstwave-open-audit-vs-s4e-effortless-cybersecurity

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

More on FirstWave Open-AudIT and S4E CTEM & EASM Platform: 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