Much of the focus in network security centers upon measures in preventing network intrusions and handling security events. There is also a growing debate about what proactive measures an organization

Much of the focus in network security centers upon measures in preventing network intrusions and handling security events. There is also a growing debate about what proactive measures an organization should take. From a practical matter, what could some of these practical measures be? Also, are there any biblical principles around taking proactive measures against a probable attacker - and if so, to what extent should these measures go?