Four of the top SIEM solutions are Splunk, HPE ArcSight, LogRhythm, and IBM Security QRadar. IT Central Station users give a shout out for some of their favorite features, but also give the vendors a little tough love. The most valuable feature is the AI engine, as well as the usual SIEM product stuff, users say. Splunk could be easier to set up and add new data sources, which Splunk is improving with every new version.”]
Source: https://www.csoonline.com/article/3067716/siem-review-splunk-arcsight-logrhythm-and-qradar.html