Qualys is a cloud-based platform that provides cybersecurity tools and solutions to help organizations identify, manage, and reduce vulnerabilities in their IT infrastructure. It offers services like vulnerability management, compliance monitoring, web application scanning, and endpoint detection. By delivering real-time insights into security risks across networks, devices, and applications, Qualys enables businesses to proactively protect their systems against cyber threats and maintain compliance with industry regulations. Its scalability and automation make it a popular choice for organizations of all sizes.