Nessus is an open-source vulnerability scanner designed to help security professionals detect and fix vulnerabilities in their systems, networks, and applications. It provides real-time scanning, detailed vulnerability reports, and customizable policies, making it an essential tool for security auditing and compliance.

Features of Nessus:

• Easy-to-use web interface for configuring and running vulnerability scans on systems, networks, and applications.
• Supports scanning for a wide range of vulnerabilities, including missing patches, configuration issues, and malware.
• Customizable scan policies to tailor vulnerability assessments to your specific environment.
• Real-time notifications for detected vulnerabilities, including alerts via email and integration with other monitoring systems.
• Comprehensive vulnerability reports with recommendations for remediation to help improve system security.

To access Nessus, navigate to http://your_server_ip:8834 and log in with your admin credentials.

Disclaimer: Nessus is an open-source project distributed under the GPL license. It is not affiliated with, endorsed by, or sponsored by any commercial entity. Nessus is provided "as is," without any warranty, express or implied. Users are responsible for configuring and using Nessus according to their security needs.