INCIDENT RESPONSE
Develope a solid incident response.
Formulate a response plan.
Best source for plan:
Site Security Handbook also known as RFC 2196
This document would probably solve many of the world's security problems if people took the time to read it.
Incident response is in Chapter 3.
Other Resources are:
CERT Computer Emergency Response Team @ http://www.cert.org
and
Forum of Incident Response and Security
FIRST @ http://www.first.org