The fusion of computer and telecommunication technologies has heralded the age of information superhighway over wireline and wireless networks. Mobile cellular communication systems and wireless networking technologies are growing at an ever-faster rate, and this is likely to continue in the foreseeable future. Wireless technology is presently being used to link portable computer equipment to corporate distributed computing and other sources of necessary information. | Handbook of Wireless Networks and Mobile Computing Edited by Ivan Stojmenovic Copyright 2002 John Wiley Sons Inc. ISBNs 0-471-41902-8 Paper 0-471-22456-1 Electronic CHAPTER 14 Security and Fraud Detection in Mobile and Wireless Networks AZZEDINE BOUKERCHE Department of Computer Sciences University of North Texas The fusion of computer and telecommunication technologies has heralded the age of informationsuperhighway over wireline and wireless networks. Mobile cellular communi-cmionsystemsatKlwnivfeysnetwsn Iiing t echnn l ogies are growing at an ever-faster rate and this is likely to continue in the foreseeable future. Wireless technology is presently being used to link portable computer equipment to corporate distributed computing and other sources of necessary information. Wide-area cellular systems and wireless LANs promise to make integrated networks a reality and provide fully distributed and ubiquitous mobile bringing an end to the tyranny of geography. Higher reliability better coverage and services higher capacity mobility management power and complexity foi . and wireless multimediaareall partsof thepotponrri. laeiUermcmasesinnetwidk cncmety ooenenotuaoybeeotr tiro pro mtn U moOile telratnmuuritationcanbetunilldd. Odfdtyanpnenurity managemeniagainuili tutd inint-rionittndc ioncdmobiin ohsneejunt tomsdiionaCeWi wilt beoneef tromsdorienuoein the nnxt wii clu sc onet mottle grnecatione. A safe system pnovidun pcWuctier against urrors oU daustedusers whreoan o nree nig systempl piy e ts againrt eirorrinirolocedbylmpnstonu l .Thenufore ratner thenignoomgiOe neciirity eonaonns onn itentiol oreon mc i cnanit and delnrommumuadion comyaoies nesC io ankwowledge tnesa ecmaa rnr onSdealvviiliihcooma O cpi uit a dm umer Indeed mOTdertoOdnndwcthepublir to usemobstecnd wireleostecUnology mdhenexd and future generations of wireless systems telecem comeanies and all
