User Activities
		¨ Identify system security threats and objectives by doing a risk assessment ¨ Identify cost-effective technical security countermeasures ¨ Identify complementary environmental security countermeasures ¨ Determine confidence required in the system security functions ¨ Correlate threats and objectives with the functional and environmental security countermeasures and confidence requirements
	600.436 High- Assurance Systems
				Fall 01/Introduction			17