DSIE is a body of members committed to jointly and actively engaging in mutually beneficial efforts that enhance and sustain the security of their defense industrial base and related cyber networks and systems, and that best protects the information within them. The DSIE membership accomplishes this by consistently developing and sharing actionable cyber information in the normal course of daily analysis, security and risk management activities; frequently collaborating on cyber threat analytics as well as context, mitigation, best practice and other relevant information; and collectively designing and maturing innovative member and community capabilities for effective prevention against, as well as the proficient detection and mitigation of, mature cyber threat activity.