Cyber Security: A Crisis of Prioritization. President's Information Technology Advisory Committee, 2005. http://www.nitrd.gov/pitac/reports/20050301_cybersecurity/cybersecurity.pdf (pdf).
The National Strategy to Secure Cyberspace. United States Computer Emergency Readiness Team (US-CERT), 2003. http://www.us-cert.gov/reading_room/cyberspace_strategy.pdf. Optional.
Computer Security: Art and Science. Matt Bishop. Addison-Wesley, 2002. http://nob.cs.ucdavis.edu/book/. Optional.