Alarm Overload - Can turn any smart security system into a worthless system.

Just like information overload is bad for people, "Alarm Overload" is bad for Security folks.

All security monitoring tools need to be constantly trained to reduce false positives and constantly updated to adapt to the changing threat landscape


The article provides a few examples:- 

http://www.tripwire.com/state-of-security/incident-detection/target-breach-malaysian-flight-mh370-mystery-related