Assaults on privacy! Theft of information! Break-ins, assaults, and thefts are prohibited. Yet they happen. How is this so? Just how clever are the invaders? What are the holes in supposedly secure systems? Internet Besieged explains the ingenious strategies employed by intruders. It shows how security experts must be both defensive and proactive to protect information, privacy, and electronic commerce. Internet Besieged consists of over thirty original and recently published chapters written by leading figures in security. They range from technical explanations of encryption and intrusion-detection systems to popular accounts of hacker attacks. Internet Besieged is organized for the general reader as well as the practicing professional. It covers: The emergence of the Internet-the evolution of security problems and required countermeasures Major patterns of weakness in Internet-connected computer systems and methods for preventing and detecting attacks The use of cryptography to secure computers and data on the Internet Electronic commerce and secure transactions-authentication and integrity-checking technologies; foiling identity theft Ethics, laws, practices, and policies that gAbout the Author: Peter J. Denning is vice provost for continuing professional education at George Mason University. Denning was president of the Association for Computing (ACM) and is now chair of the ACM Publications Board. His two most recent books are Computers Under Attack and Beyond Calculation: The Next 50 Years of Computing. Dorothy E. Denning is Professor of Computer Science at Georgetown University. She is the author of a classic book in the field, Cryptography and Data Security, a coeditor (with Peter J. Denning) of a more recent work, Internet Besieged: Countering Cyberspace Scofflaws, and the author of 100 papers on computer security. Dr. Denning has shared her special expertise on encryption in testimony before the U.S. Congress. 0201308207AB04062001