Tenable Nessus is a widely used vulnerability assessment tool that helps organizations identify security weaknesses in their systems. It scans networks, applications, and devices to detect potential vulnerabilities, misconfigurations, and compliance issues. By providing detailed reports, Nessus enables security teams to prioritize and remediate risks effectively. The tool supports various operating systems and integrates with other security solutions, enhancing overall cybersecurity efforts. Nessus is known for its extensive plugin library, which is regularly updated to address new vulnerabilities. This makes it a valuable resource for maintaining a secure IT environment and protecting sensitive data.