About

Qualys, Inc. is an American technology firm, founded in 1999 and headquartered in Foster City, California, U.S. The company specializes in cloud security, compliance, and related services, operating within the cybersecurity, network security, IT security, and information security industries. As a public company, Qualys reported an annual revenue of US$ 554.5 million in 2023. Its official website is qualys.com.