Medusa vs Nessus: Which Insurance Pricing Software tool is Best in 2025?

Medusa is a powerful open-source password cracker pre-installed in Kali Linux (version 2.3~rc1), crafted for cybersecurity professionals and penetration testers. This parallelized login brute-forcer for security audits targets numerous network services, making it a leading network password-cracking tool for ethical hacking. With an 803 KB footprint and a modular architecture, Medusa streamlines credential attacks, empowering testers to identify weak passwords and secure systems effectively.

Nessus is a leading vulnerability assessment tool developed by Tenable, Inc., widely recognized as the industry’s most trusted scanner for identifying security weaknesses across networks, devices, applications, and cloud environments. Launched in 1998 as an open-source project by Renaud Deraison, it transitioned to a proprietary model in 2005 and now offers two enterprise versions: Nessus Professional and Nessus Expert. With over 252,000 plugins and 100,000 plus CVEs, Nessus delivers high-accuracy scans to detect vulnerabilities, misconfigurations, and compliance issues. It supports unlimited IT assessments, customizable templates (450+), and vulnerability prioritization using CVSS v4, EPSS, and Tenable’s VPR. Nessus Expert extends capabilities to web application scanning, external attack surface monitoring, and cloud infrastructure audits.