ArcSight, Inc. was an American software company that provided security management and compliance software packages for enterprises and government agencies. The company was acquired by Hewlett-Packard (HP) in 2010. When HP split into two companies, HP Inc. and Hewlett Packard Enterprise, HP's ArcSight subsidiary was transferred to the latter company. HPE later sold the ArcSight subsidiary to Micro Focus.[1] OpenText acquired Micro Focus (including ArcSight) in 2023.
ArcSight by OpenText is a cybersecurity product, first released in 2000, that provides big data security analytics and intelligence software for security information and event management (SIEM) and log management.[2] ArcSight is designed to help customers identify and prioritize security threats, organize and track incident response activities, and simplify audit and compliance activities.