# Core Security Outflank Security Tooling vs Merlin: side-by-side comparison (2026)

[Core Security Outflank Security Tooling](https://cybersectools.com/tools/core-security-outflank-security-tooling) is a commercial [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution by [Core Security](https://cybersectools.com/companies/core-security). [Merlin](https://cybersectools.com/tools/merlin) is a free [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Core Security Outflank Security Tooling | Merlin |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Red-Team & Adversary Emulation | Red-Team & Adversary Emulation |
| Verified | No | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| GitHub stars | – | 5,516 |
| Last commit | – | Apr 2025 |
| Company | Core Security | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Core Security Outflank Security Tooling | Merlin |
|---|---|---|
| Red Team | Yes | Yes |
| Evasion | Yes | – |
| C2 | Yes | Yes |
| Lateral Movement | Yes | – |
| Payload Generation | Yes | – |
| Post Exploitation | Yes | Yes |

### Core features

**Core Security Outflank Security Tooling**

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

**Merlin**

No features listed.

### Integrations

**Core Security Outflank Security Tooling**

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

**Merlin**

No integrations listed.

## Which one fits you

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

- [Merlin](https://cybersectools.com/tools/merlin) fits if you need a free product and you want an open-source product.

## Core Security Outflank Security Tooling vs Merlin FAQ

Common questions when comparing Core Security Outflank Security Tooling vs Merlin for red-team & adversary emulation.

### What is the difference between Core Security Outflank Security Tooling and Merlin?

**Core Security Outflank Security Tooling**: Red team toolkit for EDR evasion, initial access, and post-exploitation. Built by Core Security.

**Merlin**: A cross-platform HTTP/2 Command & Control framework written in Golang for post-exploitation activities and remote system management.

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

### Who makes Core Security Outflank Security Tooling and Merlin?

**Core Security Outflank Security Tooling** is made by Core Security. **Merlin** is open-source with 5,516 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Core Security Outflank Security Tooling a good alternative to Merlin?

Often, yes. Core Security Outflank Security Tooling and Merlin are both Red-Team & Adversary Emulation products, and both cover Post Exploitation, C2, Red Team. Key differences: Core Security Outflank Security Tooling is Commercial while Merlin is Free, Merlin is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Core Security Outflank Security Tooling vs Fortra Cobalt Strike](https://cybersectools.com/compare/core-security-outflank-security-tooling-vs-fortra-cobalt-strike)
- [Core Security Outflank Security Tooling vs Core Security Cobalt Strike](https://cybersectools.com/compare/core-security-cobalt-strike-vs-core-security-outflank-security-tooling)
- [Core Security Outflank Security Tooling vs Core Security Bundles and Suites](https://cybersectools.com/compare/core-security-bundles-and-suites-vs-core-security-outflank-security-tooling)
- [Merlin vs Fortra Cobalt Strike](https://cybersectools.com/compare/fortra-cobalt-strike-vs-merlin)
- [Merlin vs Core Security Cobalt Strike](https://cybersectools.com/compare/core-security-cobalt-strike-vs-merlin)
- [Merlin vs Core Security Bundles and Suites](https://cybersectools.com/compare/core-security-bundles-and-suites-vs-merlin)

## Alternatives to each

- [See all Core Security Outflank Security Tooling alternatives](https://cybersectools.com/alternatives/core-security-outflank-security-tooling)
- [See all Merlin alternatives](https://cybersectools.com/alternatives/merlin)

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Source: https://cybersectools.com/compare/core-security-outflank-security-tooling-vs-merlin

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

More on Core Security Outflank Security Tooling and Merlin: 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