ArcSight is #8 in Top 10 SIEM software

https://www.microfocus.com/en-us/cyberres/secops/arcsight-esm

ArcSight

ArcSight aggregates, normalizes, and enriches event data across your organization for greater threat visibility.

Positions in ratings

#8 in Top 10 SIEM software

Alternatives

The best alternatives to ArcSight are: Splunk, IBM QRadar, Microsoft Sentinel, LogRhythm, ElasticSearch, CyberArk

See also:
Top 10 SIEM software