# JAG Cybersecurity Pentesting / Ethical Hacking vs Nessus Professional: side-by-side comparison (2026) [JAG Cybersecurity Pentesting / Ethical Hacking](https://cybersectools.com/tools/jag-cybersecurity-pentesting-ethical-hacking) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [JAG Cybersecurity](https://cybersectools.com/companies/jag-cybersecurity). [Nessus Professional](https://cybersectools.com/tools/nessus-professional) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Tenable](https://cybersectools.com/companies/tenable). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | JAG Cybersecurity Pentesting / Ethical Hacking | Nessus Professional | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Penetration Testing | Vulnerability Assessment | | Verified | No | No | | Deployment type | On-Premises | On-Premises | | Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | Company | JAG Cybersecurity | Tenable | | Headquarters | – | – | ### Use cases and capabilities | | JAG Cybersecurity Pentesting / Ethical Hacking | Nessus Professional | |---|---|---| | Penetration Testing Framework | Yes | Yes | | VAPT | Yes | Yes | | IoT Security | Yes | – | | SCADA | Yes | – | | Critical Infrastructure | Yes | – | | Web Security | Yes | – | | App Security | Yes | – | | Red Team | Yes | – | | Vulnerability | Yes | Yes | | Security Audit | Yes | – | | Security Scanning | – | Yes | | CVE | – | Yes | | NIST | – | Yes | | PCI DSS | – | Yes | | CIS | – | Yes | | Network Scanning | – | Yes | ### Core features **JAG Cybersecurity Pentesting / Ethical Hacking** 9 features listed. Sign in on the page to see them. **Nessus Professional** 10 features listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Nessus Professional](https://cybersectools.com/tools/nessus-professional) fits if you are a startup. ## JAG Cybersecurity Pentesting / Ethical Hacking vs Nessus Professional FAQ Common questions when comparing JAG Cybersecurity Pentesting / Ethical Hacking vs Nessus Professional for penetration testing. ### What is the difference between JAG Cybersecurity Pentesting / Ethical Hacking and Nessus Professional? **JAG Cybersecurity Pentesting / Ethical Hacking**: Pentesting and ethical hacking service testing infra, apps, IoT and OT systems. Built by JAG Cybersecurity. **Nessus Professional**: Vulnerability scanner for assessing networks, systems, and apps for security flaws. Built by Tenable. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes JAG Cybersecurity Pentesting / Ethical Hacking and Nessus Professional? **JAG Cybersecurity Pentesting / Ethical Hacking** is made by JAG Cybersecurity. **Nessus Professional** is made by Tenable. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is JAG Cybersecurity Pentesting / Ethical Hacking a good alternative to Nessus Professional? In part. JAG Cybersecurity Pentesting / Ethical Hacking and Nessus Professional are not in the same category on CybersecTools. Both cover Vulnerability, Penetration Testing Framework, VAPT. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [JAG Cybersecurity Pentesting / Ethical Hacking vs Redpoint Assessment Services](https://cybersectools.com/compare/jag-cybersecurity-pentesting-ethical-hacking-vs-redpoint-assessment-services) - [JAG Cybersecurity Pentesting / Ethical Hacking vs SECWATCH Pietje Precies-Pentest](https://cybersectools.com/compare/jag-cybersecurity-pentesting-ethical-hacking-vs-secwatch-pietje-precies-pentest) - [JAG Cybersecurity Pentesting / Ethical Hacking vs VinCSS Penetration Testing](https://cybersectools.com/compare/jag-cybersecurity-pentesting-ethical-hacking-vs-vincss-penetration-testing) - [Nessus Professional vs Redpoint Assessment Services](https://cybersectools.com/compare/nessus-professional-vs-redpoint-assessment-services) - [Nessus Professional vs SECWATCH Pietje Precies-Pentest](https://cybersectools.com/compare/nessus-professional-vs-secwatch-pietje-precies-pentest) - [Nessus Professional vs VinCSS Penetration Testing](https://cybersectools.com/compare/nessus-professional-vs-vincss-penetration-testing) ## Alternatives to each - [See all JAG Cybersecurity Pentesting / Ethical Hacking alternatives](https://cybersectools.com/alternatives/jag-cybersecurity-pentesting-ethical-hacking) - [See all Nessus Professional alternatives](https://cybersectools.com/alternatives/nessus-professional) --- Source: https://cybersectools.com/compare/jag-cybersecurity-pentesting-ethical-hacking-vs-nessus-professional For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/jag-cybersecurity-pentesting-ethical-hacking.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on JAG Cybersecurity Pentesting / Ethical Hacking and Nessus Professional: 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