# Fortra Cobalt Strike vs GraphSpy: side-by-side comparison (2026)

[Fortra Cobalt Strike](https://cybersectools.com/tools/fortra-cobalt-strike) is a commercial [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution by [Fortra](https://cybersectools.com/companies/fortra). [GraphSpy](https://cybersectools.com/tools/graphspy) 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

| | Fortra Cobalt Strike | GraphSpy |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Red-Team & Adversary Emulation | Red-Team & Adversary Emulation |
| Verified | Verified | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| GitHub stars | – | 1,176 |
| Last commit | – | Dec 2025 |
| Company | Fortra | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Fortra Cobalt Strike | GraphSpy |
|---|---|---|
| Red Team | Yes | – |
| Post Exploitation | Yes | Yes |
| C2 | Yes | – |
| Lateral Movement | Yes | – |
| Azure | – | Yes |
| Reconnaissance | – | Yes |
| Office 365 | – | Yes |
| Microsoft 365 | – | Yes |
| Active Directory | – | Yes |

### Core features

**Fortra Cobalt Strike**

- Post-exploitation payload (Beacon) with PowerShell execution, keylogging, screenshots, and file downloads
- Malleable Command and Control (C2) language for network indicator customization
- Browser pivoting for hijacking authenticated web sessions
- System Profiler for target fingerprinting and reconnaissance
- Shared team server for collaborative red team operations
- Asynchronous low and slow communication for stealth
- Multiple report types including activity, hosts, IOCs, sessions, and TTPs
- Extensible framework supporting custom scripts and extensions

**GraphSpy**

No features listed.

## Which one fits you

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

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

## Fortra Cobalt Strike vs GraphSpy FAQ

Common questions when comparing Fortra Cobalt Strike vs GraphSpy for red-team & adversary emulation.

### What is the difference between Fortra Cobalt Strike and GraphSpy?

**Fortra Cobalt Strike**: Threat emulation product for adversary simulations and red team operations. Built by Fortra. Core capabilities include Post-exploitation payload (Beacon) with PowerShell execution, keylogging, screenshots, and file downloads, Malleable Command and Control (C2) language for network indicator customization, Browser pivoting for hijacking authenticated web sessions.

**GraphSpy**: GraphSpy is a browser-based post-exploitation tool for Azure Active Directory and Office 365 environments that enables token management, reconnaissance, and interaction with Microsoft 365 services.

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

### Who makes Fortra Cobalt Strike and GraphSpy?

**Fortra Cobalt Strike** is made by Fortra. **GraphSpy** is open-source with 1,176 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Fortra Cobalt Strike a good alternative to GraphSpy?

Often, yes. Fortra Cobalt Strike and GraphSpy are both Red-Team & Adversary Emulation products, and both cover Post Exploitation. Key differences: Fortra Cobalt Strike is Commercial while GraphSpy is Free, GraphSpy is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Fortra Cobalt Strike vs Core Security Outflank Security Tooling](https://cybersectools.com/compare/core-security-outflank-security-tooling-vs-fortra-cobalt-strike)
- [Fortra Cobalt Strike vs Core Security Cobalt Strike](https://cybersectools.com/compare/core-security-cobalt-strike-vs-fortra-cobalt-strike)
- [Fortra Cobalt Strike vs Crimson7 Offensive Engineering](https://cybersectools.com/compare/crimson7-offensive-engineering-vs-fortra-cobalt-strike)
- [GraphSpy vs Core Security Outflank Security Tooling](https://cybersectools.com/compare/core-security-outflank-security-tooling-vs-graphspy)
- [GraphSpy vs Core Security Cobalt Strike](https://cybersectools.com/compare/core-security-cobalt-strike-vs-graphspy)
- [GraphSpy vs Crimson7 Offensive Engineering](https://cybersectools.com/compare/crimson7-offensive-engineering-vs-graphspy)

## Alternatives to each

- [See all Fortra Cobalt Strike alternatives](https://cybersectools.com/alternatives/fortra-cobalt-strike)
- [See all GraphSpy alternatives](https://cybersectools.com/alternatives/graphspy)

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Source: https://cybersectools.com/compare/fortra-cobalt-strike-vs-graphspy

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

More on Fortra Cobalt Strike and GraphSpy: 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