Hewlett-Packard buying ArcSight for $1.5 billion
Hewlett-Packard wants to have the answer to all of its customers' technology problems. So it is buying network-security provider ArcSight to help them respond to the growing threat posed by hackers, computer viruses and digital fraud. Ref. Source 2
This is one of the major problems with technology companies - they are only as good as a trend and trends change so fast now.