Graylog is a company that provides log management, API protection, and security information event management (SIEM) solutions. Its products include Graylog Security, a SIEM platform for threat detection, investigation, and response; Graylog Enterprise, a platform for compliance and data management; Graylog Open, a tool for data aggregation and analysis; etc. The company caters to banking, education, healthcare, public, insurance, and other sectors.