1. Computer Security Institute with participation from the San Francisco FBI Computer Intrusion Squad. 2002 CSI/FBI Computer Crime and Security Survey.
2. Houle, K.J. and Weaver, G.M., 2001. Trends in Denial of Service Attack Technology, CERT Coordination Center, Carnegie Mellon University, October 2001.
3. Levine, D. and Kessler, G., 2002. Denial of Service Attacks. Computer and Security Handbook, Wiley, 2002.
4. Bellovin, S.M., 1989. Security Problems in the TCP/IP Protocol Suite. ACM Computer Communications Review, Vol. 19(2), 1989, pp. 32–48.
5. Lee, S.C. and Shields, C., 2001. Tracing the Source of Network Attack: A Technical, Legal and Societal Problem. Proc. of the 2001 IEEE Workshop on Information Assurance and Security, United States Military Academy, West Point, New York, June 2001.