Presentations on network security
My testimony before the Joint Economic Committee, Congress of the United States
pdf on June 21st, 2001. (If the server hangs, try saving the link and opening on your computer.)
Java risks Risks with using java. Written back in 1997, by sadly much of it still applies.
Session Takeover I did some research on this topic after finding a hacker had used this class of tool to break into many sensitive computers.
Steganography The art of hiding messages in plain site.
TCP/IP basics For a better understanding of how networking works.