HP’s acquisition of ArcSight will make the combined company “better able to deliver on that approach,” HP exec says. The integration of SIEM and IT operations will speed the remediation process, CEO says. SIEM will move from being a point product to becoming a platform, CEO Tom Reilly says. Users say SIEM tools don’t provide information about data traveling through third-party networks and systems. “You can’t secure it if you can’t see it,” HP executive says.”]