Graylog, Inc.

Graylog, Inc. is a global provider of efficient and scalable log management and Security Information and Event Management (SIEM) solutions, headquartered in Houston, Texas, with additional offices in the United Kingdom and Germany. The company's core mission is to enhance data security for IT professionals worldwide by enabling faster threat detection, smarter investigations, and controlled data costs.

Graylog offers a comprehensive platform that collects, enhances, stores, and analyzes petabytes of machine data, serving a wide range of market segments including security operations, IT operations, DevOps, and compliance. Key products include Graylog Security, Graylog Enterprise, Graylog Open (an open-source offering), Graylog API Security, and Graylog Cloud. The company also provides professional services such as implementation, migration, and support to help organizations maximize their use of the platform.

Andy Grolnick serves as the Chief Executive Officer, while founder Lennart Koopmann is the Chief Product Officer. Graylog is privately held, backed by venture capital and private equity firms. Recent developments include the Fall 2025 update (Graylog 7.0), which introduced AI-driven summarization and AWS Security Data Lake integration, and the Spring 2025 release featuring Adversary Campaign Intelligence. The company also released Graylog 7.1 in May 2026, bringing UI improvements, new integrations, and enhanced anomaly detection. Graylog positions itself as an AI-powered SIEM and log management platform, recognized in Gartner reports for its vision and leadership.