# Nebula by BreachLine Labs vs PETEP (PEnetration TEsting Proxy): side-by-side comparison (2026) [Nebula by BreachLine Labs](https://cybersectools.com/tools/breachline-nebula) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [BreachLine Labs](https://cybersectools.com/companies/breachline-labs). [PETEP (PEnetration TEsting Proxy)](https://cybersectools.com/tools/petep-penetration-testing-proxy) 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 | | Nebula by BreachLine Labs | PETEP (PEnetration TEsting Proxy) | |---|---|---| | Pricing model | Commercial | Free | | Category | Penetration Testing | Penetration Testing | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market | | GitHub stars | – | 225 | | Last commit | – | Dec 2023 | | Company | BreachLine Labs | – | | Headquarters | – | – | ### Use cases and capabilities | | Nebula by BreachLine Labs | PETEP (PEnetration TEsting Proxy) | |---|---|---| | AI Pentesting | Yes | – | | Attack Paths | Yes | – | | Vulnerability Exploitation | Yes | – | | Proof of Concept | Yes | – | | Continuous Testing | Yes | – | | Validation | Yes | – | | Verification | Yes | – | | Security Reporting | Yes | – | | Reconnaissance | Yes | – | | VAPT | Yes | – | | Proxy | – | Yes | ### Core features **Nebula by BreachLine Labs** 8 features listed. Sign in on the page to see them. **PETEP (PEnetration TEsting Proxy)** No features listed. ### Integrations **Nebula by BreachLine Labs** 15 integrations listed. Sign in on the page to see them. **PETEP (PEnetration TEsting Proxy)** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Nebula by BreachLine Labs](https://cybersectools.com/tools/breachline-nebula) fits if you want a cloud product and you are an enterprise. - [PETEP (PEnetration TEsting Proxy)](https://cybersectools.com/tools/petep-penetration-testing-proxy) fits if you need to run it on your own servers, you are a startup or a small business, you need a free product and you want an open-source product. ## Nebula by BreachLine Labs vs PETEP (PEnetration TEsting Proxy) FAQ Common questions when comparing Nebula by BreachLine Labs vs PETEP (PEnetration TEsting Proxy) for penetration testing. ### What is the difference between Nebula by BreachLine Labs and PETEP (PEnetration TEsting Proxy)? **Nebula by BreachLine Labs**: Fully autonomous AI security engineer that works for you, built by BreachLine Labs. **PETEP (PEnetration TEsting Proxy)**: Open-source Java application for creating proxies for traffic analysis & modification. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Nebula by BreachLine Labs and PETEP (PEnetration TEsting Proxy)? **Nebula by BreachLine Labs** is made by BreachLine Labs. **PETEP (PEnetration TEsting Proxy)** is open-source with 225 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Nebula by BreachLine Labs a good alternative to PETEP (PEnetration TEsting Proxy)? Often, yes. Nebula by BreachLine Labs and PETEP (PEnetration TEsting Proxy) are both Penetration Testing products. Key differences: Nebula by BreachLine Labs is Commercial while PETEP (PEnetration TEsting Proxy) is Free, PETEP (PEnetration TEsting Proxy) is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Nebula by BreachLine Labs vs Managed Autonomous Pentesting (MAP)](https://cybersectools.com/compare/breachline-nebula-vs-hackurity-art-stack) - [Nebula by BreachLine Labs vs KinoSec Zeus](https://cybersectools.com/compare/breachline-nebula-vs-kinosec-zeus) - [Nebula by BreachLine Labs vs AI Pentest Copilot](https://cybersectools.com/compare/ai-pentest-copilot-vs-breachline-nebula) - [PETEP (PEnetration TEsting Proxy) vs Managed Autonomous Pentesting (MAP)](https://cybersectools.com/compare/hackurity-art-stack-vs-petep-penetration-testing-proxy) - [PETEP (PEnetration TEsting Proxy) vs KinoSec Zeus](https://cybersectools.com/compare/kinosec-zeus-vs-petep-penetration-testing-proxy) - [PETEP (PEnetration TEsting Proxy) vs AI Pentest Copilot](https://cybersectools.com/compare/ai-pentest-copilot-vs-petep-penetration-testing-proxy) ## Alternatives to each - [See all Nebula by BreachLine Labs alternatives](https://cybersectools.com/alternatives/breachline-nebula) - [See all PETEP (PEnetration TEsting Proxy) alternatives](https://cybersectools.com/alternatives/petep-penetration-testing-proxy) --- Source: https://cybersectools.com/compare/breachline-nebula-vs-petep-penetration-testing-proxy For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/breachline-nebula.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Nebula by BreachLine Labs and PETEP (PEnetration TEsting Proxy): 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