Web Security and Commerce, S. Garfinkel and G. Spafford, O'Reilly & Associates, 1997.
E-Commerce Security, A. Ghosh, John Wiley & Sons, 1998.
Netscape's cookie security FAQ: http://search.netscape.com/assist/security/faqs/cookies.html
I-034: Internet Cookies, http://www.ciac.org/, March 12, 1998.
“Data Thief Threatens to Strike Again”: http://www.zdnet.com/zdnn/stories/news/0,4586,2420863,00.html, January 11, 2000.
Defaced web sites: http://www.attrition.org/