The ability of the Cyber Defense Operator (CDO) is to complete its mission dependent upon accurate, timely and thorough event analysis in order to identify intruder or potential intruder activities utilizing host and network monitoring and system logs. The CDO shall correlate information gathered to provide effective methods to protect Air Force (AF) systems. Upon identification of suspicious activity on AF networks, open network intrusion investigation(s) to validate the unauthorized activity and determine the type and extent of activity.