# Source Defense How it works vs Sucuri Website Firewall: side-by-side comparison (2026)

[Source Defense How it works](https://cybersectools.com/tools/source-defense-how-it-works) is a commercial [runtime application Self-Protection](https://cybersectools.com/categories/rasp) solution by [Source Defense](https://cybersectools.com/companies/source-defense). [Sucuri Website Firewall](https://cybersectools.com/tools/sucuri-website-firewall) is a commercial [web application firewall](https://cybersectools.com/categories/web-application-firewall) solution by [Sucuri](https://cybersectools.com/companies/sucuri). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Source Defense How it works | Sucuri Website Firewall |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Runtime Application Self-Protection | Web Application Firewall |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Source Defense | Sucuri |
| Headquarters | – | – |

### Use cases and capabilities

| | Source Defense How it works | Sucuri Website Firewall |
|---|---|---|
| Web Security | Yes | Yes |
| Sandbox | Yes | – |
| Browser Security | Yes | – |
| DDoS | – | Yes |
| SSL | – | Yes |
| WAF | – | Yes |
| DNS Security | – | Yes |

### Core features

**Source Defense How it works**

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

**Sucuri Website Firewall**

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

### Integrations

**Source Defense How it works**

No integrations listed.

**Sucuri Website Firewall**

6 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.

- [Sucuri Website Firewall](https://cybersectools.com/tools/sucuri-website-firewall) fits if you are a startup.

## Source Defense How it works vs Sucuri Website Firewall FAQ

Common questions when comparing Source Defense How it works vs Sucuri Website Firewall for runtime application Self-Protection.

### What is the difference between Source Defense How it works and Sucuri Website Firewall?

**Source Defense How it works**: Client-side security for websites against 3rd party vendor attacks, built by Source Defense.

**Sucuri Website Firewall**: Cloud-based WAF protecting websites from attacks, DDoS, and exploits, built by Sucuri.

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

### Who makes Source Defense How it works and Sucuri Website Firewall?

**Source Defense How it works** is made by Source Defense. **Sucuri Website Firewall** is made by Sucuri. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Source Defense How it works a good alternative to Sucuri Website Firewall?

In part. Source Defense How it works and Sucuri Website Firewall are not in the same category on CybersecTools. Both cover Web Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Source Defense How it works vs Monarx Threat Shield](https://cybersectools.com/compare/monarx-threat-shield-vs-source-defense-how-it-works)
- [Source Defense How it works vs c/side](https://cybersectools.com/compare/source-defense-how-it-works-vs-cside)
- [Source Defense How it works vs Everspin EverSafe Web](https://cybersectools.com/compare/everspin-eversafe-web-vs-source-defense-how-it-works)
- [Sucuri Website Firewall vs Monarx Threat Shield](https://cybersectools.com/compare/monarx-threat-shield-vs-sucuri-website-firewall)
- [Sucuri Website Firewall vs c/side](https://cybersectools.com/compare/cside-vs-sucuri-website-firewall)
- [Sucuri Website Firewall vs Everspin EverSafe Web](https://cybersectools.com/compare/everspin-eversafe-web-vs-sucuri-website-firewall)

## Alternatives to each

- [See all Source Defense How it works alternatives](https://cybersectools.com/alternatives/source-defense-how-it-works)
- [See all Sucuri Website Firewall alternatives](https://cybersectools.com/alternatives/sucuri-website-firewall)

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Source: https://cybersectools.com/compare/source-defense-how-it-works-vs-sucuri-website-firewall

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

More on Source Defense How it works and Sucuri Website Firewall: 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