Emerging-Threats-and-Countermeasures_ Awareness

Much of the security efforts of the past have been centered around prevention and protection. The increasing sophistication of cyber attacks have shown that no controls are 100% effective, and some compromises do occur. There is a rising realization that in addition to considering prevention and protection, controls that address detection and response are necessary to improve security posture. Please describe how situational awareness is a driver for detection and response controls. 

Minimum of  300 words with two references