# A Security vs Pupy: side-by-side comparison (2026)

[A Security](https://cybersectools.com/tools/a-security) is a commercial [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution by [A Security](https://cybersectools.com/companies/asecurity). [Pupy](https://cybersectools.com/tools/pupy) 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

| | A Security | Pupy |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Red-Team & Adversary Emulation | Red-Team & Adversary Emulation |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| GitHub stars | – | 8,948 |
| Last commit | – | Feb 2024 |
| Company | A Security | – |
| Headquarters | – | – |

### Use cases and capabilities

| | A Security | Pupy |
|---|---|---|
| Attack Paths | Yes | – |
| Continuous Testing | Yes | – |
| Red Team | Yes | Yes |
| Vulnerability Exploitation | Yes | – |
| AI Pentesting | Yes | – |
| MITRE ATT&CK | Yes | – |
| Exploit Development | Yes | – |
| Security Validation | Yes | – |
| Penetration Testing Framework | Yes | – |
| Lateral Movement | Yes | – |
| Post Exploitation | – | Yes |
| C2 | – | Yes |

### Core features

**A Security**

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

**Pupy**

No features listed.

### Integrations

**A Security**

1 integration listed. Sign in on the page to see them.

**Pupy**

No integrations listed.

## Which one fits you

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

- [A Security](https://cybersectools.com/tools/a-security) fits if you want a cloud product.
- [Pupy](https://cybersectools.com/tools/pupy) fits if you need to run it on your own servers, you need a free product and you want an open-source product.

## A Security vs Pupy FAQ

Common questions when comparing A Security vs Pupy for red-team & adversary emulation.

### What is the difference between A Security and Pupy?

**A Security**: Autonomous offensive security platform that finds, validates, and remediates attack paths. Built by A Security.

**Pupy**: Pupy is an open-source, cross-platform C2 framework that provides remote access and control capabilities for compromised systems across Windows, Linux, OSX, and Android platforms.

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

### Who makes A Security and Pupy?

**A Security** is made by A Security. **Pupy** is open-source with 8,948 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is A Security a good alternative to Pupy?

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

## Related comparisons

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

## Alternatives to each

- [See all A Security alternatives](https://cybersectools.com/alternatives/a-security)
- [See all Pupy alternatives](https://cybersectools.com/alternatives/pupy)

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Source: https://cybersectools.com/compare/a-security-vs-pupy

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More on A Security and Pupy: 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