OpenVAS is a free, open-source vulnerability scanner developed by Greenbone Networks. It provides comprehensive scanning for networks, systems, and applications, with support for both authenticated and unauthenticated scans. Vulnerability management tools typically employ scanners or agents to discover system characteristics, such as the OS version or open ports, and then cross-check them with vulnerability databases. 12 popular vulnerability scanning tools in 2025 Vulnerability scanning tools can proactively identify security weaknesses in systems and applications, provide comprehensive insights, and enable organizations to address potential risks before adversaries can exploit them. Database-based vulnerability scanners. Used to find vulnerabilities in database management systems. Databases are the backbone of any system that stores sensitive information. Vulnerability scanning is performed on database systems to prevent attacks like SQL Injection. What you'll learn Describe the core concepts of vulnerability assessment and how vulnerabilities, risks, and exploits differ in enterprise environments. Perform network and web scanning using tools like Nmap and Nikto to identify system weaknesses and misconfigurations. Discover the top vulnerability scanning tools for your team. Compare features, pros & cons, prices, and more in my complete guide. Find the top Vulnerability Management Tools with Gartner. Compare and filter by verified product reviews and choose the software that’s right for your organization. Network vulnerability scanner features Network scanners focus on identifying vulnerabilities, misconfigurations, and open ports in connected systems such as routers, switches, servers, and endpoints. They assess network devices, operating systems, and firewalls to detect outdated software, weak protocols, and missing patches. Good network scanners integrate with patch management tools to. The tool doesn’t scan for changes, and so it doesn’t cover the configuration aspect of vulnerability management. This system will automatically monitor all network and server activity, looking for performance issues, while it also scans for new software to record in the inventory, and polls for updates from software suppliers. Vulnerability scanning tools are crucial for ensuring security and protecting your systems. Compare the top vulnerability scanners today.