# Aikido Zen vs Source Defense How it works: side-by-side comparison (2026)

[Aikido Zen](https://cybersectools.com/tools/aikido-zen) is a commercial [runtime application self-protection](https://cybersectools.com/categories/rasp) solution by [Aikido Security](https://cybersectools.com/companies/aikido-security). [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

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

### Use cases and capabilities

| | Aikido Zen | Source Defense How it works |
|---|---|---|
| Bot Protection | Yes | – |
| Node.js | Yes | – |
| OWASP | Yes | – |
| SQL Injection | Yes | – |
| Zero Day | Yes | – |
| WAF | Yes | – |
| Web Security | – | Yes |
| Sandbox | – | Yes |
| Browser Security | – | Yes |

### Core features

**Aikido Zen**

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

**Aikido Zen**

1 integration 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.

- [Aikido Zen](https://cybersectools.com/tools/aikido-zen) fits if you are a startup.

## Aikido Zen vs Source Defense How it works FAQ

Common questions when comparing Aikido Zen vs Source Defense How it works for runtime application self-protection.

### What is the difference between Aikido Zen and Source Defense How it works?

**Aikido Zen**: Runtime application security library blocking zero-days & OWASP Top 10 attacks. Built by Aikido Security.

**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 Aikido Zen and Source Defense How it works?

**Aikido Zen** is made by Aikido Security. **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 Aikido Zen a good alternative to Source Defense How it works?

Often, yes. Aikido Zen and Source Defense How it works are both Runtime Application Self-Protection products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Aikido Zen vs Arcjet](https://cybersectools.com/compare/aikido-zen-vs-arcjet)
- [Aikido Zen vs c/side](https://cybersectools.com/compare/aikido-zen-vs-cside)
- [Aikido Zen vs Monarx Threat Shield](https://cybersectools.com/compare/aikido-zen-vs-monarx-threat-shield)
- [Source Defense How it works vs Arcjet](https://cybersectools.com/compare/arcjet-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 Monarx Threat Shield](https://cybersectools.com/compare/monarx-threat-shield-vs-source-defense-how-it-works)

## Alternatives to each

- [See all Aikido Zen alternatives](https://cybersectools.com/alternatives/aikido-zen)
- [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/aikido-zen-vs-source-defense-how-it-works

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More on Aikido Zen 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