ArcSight vs. Splunk? Why you might want both

Two of the most highly-rated software products in the security information and event management (SIEM) market are ArcSight and Splunk, according to online reviews by SIEM software users in the IT Central Station community. But the user reviews show that the two products have such different strengths that, instead of viewing them as direct rivals, users might want both.
ArcSight is HP Enterprise’s family of SIEM software tools for helping businesses protect their data through security anal