# Core Security Core Impact vs RsaCtfTool: side-by-side comparison (2026)

[Core Security Core Impact](https://cybersectools.com/tools/core-security-core-impact) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [Core Security](https://cybersectools.com/companies/core-security). [RsaCtfTool](https://cybersectools.com/tools/rsactftool) is a free [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Core Security Core Impact | RsaCtfTool |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Penetration Testing | Penetration Testing |
| Verified | No | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | Mid-Market, Enterprise | Startup, SMB |
| GitHub stars | – | 6,830 |
| Last commit | – | Mar 2026 |
| Company | Core Security | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Core Security Core Impact | RsaCtfTool |
|---|---|---|
| Exploitation Framework | Yes | – |
| Red Team | Yes | – |
| CTF | – | Yes |
| Education | – | Yes |

### Core features

**Core Security Core Impact**

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

**RsaCtfTool**

No features listed.

### Integrations

**Core Security Core Impact**

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

**RsaCtfTool**

No integrations listed.

## Which one fits you

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

- [Core Security Core Impact](https://cybersectools.com/tools/core-security-core-impact) fits if you are a mid-market company or an enterprise.
- [RsaCtfTool](https://cybersectools.com/tools/rsactftool) fits if you are a startup or a small business, you need a free product and you want an open-source product.

## Core Security Core Impact vs RsaCtfTool FAQ

Common questions when comparing Core Security Core Impact vs RsaCtfTool for penetration testing.

### What is the difference between Core Security Core Impact and RsaCtfTool?

**Core Security Core Impact**: Pen testing platform with guided automation and certified exploit library, built by Core Security.

**RsaCtfTool**: A utility that attempts to decrypt data from weak RSA public keys and recover private keys using multiple integer factorization algorithms.

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

### Who makes Core Security Core Impact and RsaCtfTool?

**Core Security Core Impact** is made by Core Security. **RsaCtfTool** is open-source with 6,830 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 Core Impact a good alternative to RsaCtfTool?

Often, yes. Core Security Core Impact and RsaCtfTool are both Penetration Testing products. Key differences: Core Security Core Impact is Commercial while RsaCtfTool is Free, RsaCtfTool is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Core Security Core Impact vs Rapid7 Metasploit](https://cybersectools.com/compare/rapid7-metasploit-vs-core-security-core-impact)
- [Core Security Core Impact vs CodeWall AI-Powered Pentesting](https://cybersectools.com/compare/codewall-ai-powered-pentesting-vs-core-security-core-impact)
- [Core Security Core Impact vs SecurityBoat TriNetra Agentic Pentest](https://cybersectools.com/compare/core-security-core-impact-vs-securityboat-trinetra-agentic-pentest)
- [RsaCtfTool vs Rapid7 Metasploit](https://cybersectools.com/compare/rapid7-metasploit-vs-rsactftool)
- [RsaCtfTool vs CodeWall AI-Powered Pentesting](https://cybersectools.com/compare/codewall-ai-powered-pentesting-vs-rsactftool)
- [RsaCtfTool vs SecurityBoat TriNetra Agentic Pentest](https://cybersectools.com/compare/rsactftool-vs-securityboat-trinetra-agentic-pentest)

## Alternatives to each

- [See all Core Security Core Impact alternatives](https://cybersectools.com/alternatives/core-security-core-impact)
- [See all RsaCtfTool alternatives](https://cybersectools.com/alternatives/rsactftool)

---

Source: https://cybersectools.com/compare/core-security-core-impact-vs-rsactftool

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

More on Core Security Core Impact and RsaCtfTool: 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