ArcSight Enterprise Security Manager is described as 'A comprehensive Security Information & Event Management (SIEM) solution that enables cost-effective compliance and provides advanced security analytics to identify threats and manage risk, so you can protect your business' and is a Cloud Computing service in the security & privacy category. There are more than 10 alternatives to ArcSight Enterprise Security Manager for Web-based, Self-Hosted, Mac, Windows and Linux. The best ArcSight Enterprise Security Manager alternative is Hudson Rock, which is free. Other great apps like ArcSight Enterprise Security Manager are Qualys Cloud Platform, IBM QRadar, Palo Alto AutoFocus and Castle.