What is PCMS?
		¨ PCMS is a high-integrity configuration management system ¨ Most objects are written once and never modified (we call these “entities”) – Archival store, not a database ¨ What security policies apply to such objects? ¨ What are the threats? ¨ What does this mean in implementation terms?
	600.436 High- Assurance Systems
				Fall 01/PCMS Exercise			2