# Cobalt DAST vs DefendLab Runtime Validation: side-by-side comparison (2026)

[Cobalt DAST](https://cybersectools.com/tools/cobalt-dast) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [Cobalt](https://cybersectools.com/companies/cobalt). [DefendLab Runtime Validation](https://cybersectools.com/tools/defendlab-runtime-validation) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [DefendLab](https://cybersectools.com/companies/defendlab). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions) picks PortSwigger Burp Suite DAST, Invicti DAST, Rapid7 InsightAppSec and 4 more.

## Side-by-side comparison

| | Cobalt DAST | DefendLab Runtime Validation |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Dynamic Application Security Testing | Dynamic Application Security Testing |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Cobalt | DefendLab |
| Headquarters | – | – |

### Use cases and capabilities

| | Cobalt DAST | DefendLab Runtime Validation |
|---|---|---|
| DAST | Yes | Yes |
| Web Security | Yes | – |
| Continuous Testing | Yes | – |
| App Security | Yes | – |
| Security Scanning | Yes | – |
| DevSecOps | Yes | Yes |
| AI Pentesting | – | Yes |
| SAST | – | Yes |
| Source Code Analysis | – | Yes |
| RCE | – | Yes |
| CI/CD | – | Yes |
| Vulnerability | – | Yes |

### Core features

**Cobalt DAST**

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

**DefendLab Runtime Validation**

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

### Integrations

**Cobalt DAST**

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

**DefendLab Runtime Validation**

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.

- [Cobalt DAST](https://cybersectools.com/tools/cobalt-dast) fits if you want a cloud product.
- [DefendLab Runtime Validation](https://cybersectools.com/tools/defendlab-runtime-validation) fits if you need both cloud and on-premises options.

## Cobalt DAST vs DefendLab Runtime Validation FAQ

Common questions when comparing Cobalt DAST vs DefendLab Runtime Validation for dynamic application security testing.

### What is the difference between Cobalt DAST and DefendLab Runtime Validation?

**Cobalt DAST**: Automated DAST tool for continuous web app and API vulnerability scanning. Built by Cobalt.

**DefendLab Runtime Validation**: Source-aware AI pentest platform combining code analysis with runtime exploit validation. Built by DefendLab.

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

### Who makes Cobalt DAST and DefendLab Runtime Validation?

**Cobalt DAST** is made by Cobalt. **DefendLab Runtime Validation** is made by DefendLab. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Cobalt DAST a good alternative to DefendLab Runtime Validation?

Often, yes. Cobalt DAST and DefendLab Runtime Validation are both Dynamic Application Security Testing products, and both cover DAST, DevSecOps. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Cobalt DAST vs Start Left® Security DAST](https://cybersectools.com/compare/cobalt-dast-vs-start-leftr-security-dast)
- [Cobalt DAST vs Websecurify](https://cybersectools.com/compare/cobalt-dast-vs-websecurify)
- [Cobalt DAST vs PortSwigger Burp Suite DAST](https://cybersectools.com/compare/burp-suite-enterprise-edition-vs-cobalt-dast)
- [DefendLab Runtime Validation vs Start Left® Security DAST](https://cybersectools.com/compare/defendlab-runtime-validation-vs-start-leftr-security-dast)
- [DefendLab Runtime Validation vs Websecurify](https://cybersectools.com/compare/defendlab-runtime-validation-vs-websecurify)
- [DefendLab Runtime Validation vs PortSwigger Burp Suite DAST](https://cybersectools.com/compare/burp-suite-enterprise-edition-vs-defendlab-runtime-validation)

## Alternatives to each

- [See all Cobalt DAST alternatives](https://cybersectools.com/alternatives/cobalt-dast)
- [See all DefendLab Runtime Validation alternatives](https://cybersectools.com/alternatives/defendlab-runtime-validation)

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Source: https://cybersectools.com/compare/cobalt-dast-vs-defendlab-runtime-validation

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

More on Cobalt DAST and DefendLab Runtime Validation: 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