# Secure Blink ThreatSpy vs Source Defense How it works: side-by-side comparison (2026)

[Secure Blink ThreatSpy](https://cybersectools.com/tools/secure-blink-threatspy) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [Secure Blink](https://cybersectools.com/companies/secure-blink). [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.

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

| | Secure Blink ThreatSpy | Source Defense How it works |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Dynamic Application Security Testing | Runtime Application Self-Protection |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Secure Blink | Source Defense |
| Headquarters | – | – |

### Use cases and capabilities

| | Secure Blink ThreatSpy | Source Defense How it works |
|---|---|---|
| DAST | Yes | – |
| OWASP | Yes | – |
| Web Security | Yes | Yes |
| Zero Day | Yes | – |
| Sandbox | – | Yes |
| Browser Security | – | Yes |

### Core features

**Secure Blink ThreatSpy**

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.

### Integrations

**Secure Blink ThreatSpy**

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

**Source Defense How it works**

No integrations listed.

## Which one fits you

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

- [Secure Blink ThreatSpy](https://cybersectools.com/tools/secure-blink-threatspy) fits if you are a startup.

## Secure Blink ThreatSpy vs Source Defense How it works FAQ

Common questions when comparing Secure Blink ThreatSpy vs Source Defense How it works for dynamic application security testing.

### What is the difference between Secure Blink ThreatSpy and Source Defense How it works?

**Secure Blink ThreatSpy**: DAST platform for web app & API vulnerability scanning with AI-enabled features. Built by Secure Blink.

**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 Secure Blink ThreatSpy and Source Defense How it works?

**Secure Blink ThreatSpy** is made by Secure Blink. **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 Secure Blink ThreatSpy a good alternative to Source Defense How it works?

In part. Secure Blink ThreatSpy and Source Defense How it works 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

- [Secure Blink ThreatSpy vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-secure-blink-threatspy)
- [Secure Blink ThreatSpy vs Tenable One Web App Scanning](https://cybersectools.com/compare/secure-blink-threatspy-vs-tenable-web-app-scanning)
- [Secure Blink ThreatSpy vs Qualys TotalAppSec](https://cybersectools.com/compare/qualys-totalappsec-vs-secure-blink-threatspy)
- [Source Defense How it works vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-source-defense-how-it-works)
- [Source Defense How it works vs Tenable One Web App Scanning](https://cybersectools.com/compare/source-defense-how-it-works-vs-tenable-web-app-scanning)
- [Source Defense How it works vs Qualys TotalAppSec](https://cybersectools.com/compare/qualys-totalappsec-vs-source-defense-how-it-works)

## Alternatives to each

- [See all Secure Blink ThreatSpy alternatives](https://cybersectools.com/alternatives/secure-blink-threatspy)
- [See all Source Defense How it works alternatives](https://cybersectools.com/alternatives/source-defense-how-it-works)

---

Source: https://cybersectools.com/compare/secure-blink-threatspy-vs-source-defense-how-it-works

For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/secure-blink-threatspy.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Secure Blink ThreatSpy and Source Defense How it works: 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
