Qualys, Inc. is a provider of cloud security, compliance and related services for small and medium-sized businesses and large corporations based in Redwood Shores, California. Founded in 1999, Qualys was the first company to deliver vulnerability management solutions as applications through the web using a "software as a service" (SaaS) model, and as of 2013 Gartner Group for the fifth time gave Qualys a "Strong Positive" rating for these services. It has added cloud-based compliance and web application security offerings.
