# depthfirst Platform vs Source Defense How it works: side-by-side comparison (2026)

[depthfirst Platform](https://cybersectools.com/tools/depthfirst) is a commercial [application security posture management](https://cybersectools.com/categories/aspm) solution by [Depthfirst](https://cybersectools.com/companies/depthfirst). [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). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | depthfirst Platform | Source Defense How it works |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Application Security Posture Management | Runtime Application Self-Protection |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Depthfirst | Source Defense |
| Headquarters | – | – |

### Use cases and capabilities

| | depthfirst Platform | Source Defense How it works |
|---|---|---|
| DAST | Yes | – |
| SCA | Yes | – |
| Secret Detection | Yes | – |
| Supply Chain Security | Yes | – |
| Attack Paths | Yes | – |
| CI/CD | Yes | – |
| Vulnerability Prioritization | Yes | – |
| Source Code Analysis | Yes | – |
| Software Supply Chain | Yes | – |
| Web Security | – | Yes |
| Sandbox | – | Yes |
| Browser Security | – | Yes |

### Core features

**depthfirst Platform**

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

**Source Defense How it works**

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

## depthfirst Platform vs Source Defense How it works FAQ

Common questions when comparing depthfirst Platform vs Source Defense How it works for application security posture management.

### What is the difference between depthfirst Platform and Source Defense How it works?

**depthfirst Platform**: AI-powered AppSec platform for code, supply chain, secrets & DAST. Built by Depthfirst.

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

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

### Who makes depthfirst Platform and Source Defense How it works?

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

### Is depthfirst Platform a good alternative to Source Defense How it works?

In part. depthfirst Platform and Source Defense How it works are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [depthfirst Platform vs Cantina Apex](https://cybersectools.com/compare/cantina-apex-vs-depthfirst)
- [depthfirst Platform vs Legit VibeGuard](https://cybersectools.com/compare/depthfirst-vs-legit-vibeguard)
- [depthfirst Platform vs Black Duck Polaris Platform](https://cybersectools.com/compare/black-duck-polaris-platform-vs-depthfirst)
- [Source Defense How it works vs Cantina Apex](https://cybersectools.com/compare/cantina-apex-vs-source-defense-how-it-works)
- [Source Defense How it works vs Legit VibeGuard](https://cybersectools.com/compare/legit-vibeguard-vs-source-defense-how-it-works)
- [Source Defense How it works vs Black Duck Polaris Platform](https://cybersectools.com/compare/black-duck-polaris-platform-vs-source-defense-how-it-works)

## Alternatives to each

- [See all depthfirst Platform alternatives](https://cybersectools.com/alternatives/depthfirst)
- [See all Source Defense How it works alternatives](https://cybersectools.com/alternatives/source-defense-how-it-works)

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Source: https://cybersectools.com/compare/depthfirst-vs-source-defense-how-it-works

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