"The term IPS (Intrusion Prevention System) is tied closely to
the term IDS (Intrusion Detection System). Bad things happen, and
you need to be able to detect when a server has been broken in to,
not solely focus on preventing intrusions. The problem is that many
host intrusion detection systems focus on monitoring only one host.
The enterprise IT world isn't generally interested in applications
that don't scale, and this is precisely where Samhain