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Security is one of the most significant issues facing the owners and users of computer systems in the Internet age, and recent years have convincingly illustrated that the problem is increasing in both scale and cost. Computer Insecurity: Risking the System approaches its topic from the perspective of vulnerability - how can your system be attacked? Covering technical issues and human factors, the comprehensively researched text makes reference to numerous real-life security incidents, which help to provide persuasive practical evidence of the problems and the impacts that result. Key issues covered include: ¢ the problem of computer insecurity ¢ the need to raise security awareness ¢ common failings that compromise protection ¢ the attack and exploitation of systems ¢ considerations in responding to the threats Presented in clear and lucid terms, the discussion is invaluable reading for all business and computing professionals who wish for an overview of the issues rather than a shopping list of the security measures available. ˜In today's connected world no-one can afford to ignore computer security, this book tells you why, and what you should do about it, in simple non-technical language.' Dr Jeremy Ward, Director of Service Development, Symantec (UK) Ltd ˜Computer Insecurity contains loads of practical advice supported by an abundance of real world examples and research. If you don't understand what all the fuss concerning computer security is about then this book was written for you.'Jeff Crume, CISSP Executive IT Security Architect, IBM and author of ˜Inside Internet Security - What hackers don't want you to know' ˜I have long been looking for a book that would give answers to why rather than how we cater for Information and Communication Systems Security ... I recommend it wholeheartedly to anyone that wishes to extend their knowledge' Professor Sokratis K. Katsikas, University of the Aegean, Greece

Computer. Automation --- informatica management

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In an increasingly globalized and networked world modern communication channels and new electronic media standards are constantly changing traditional interaction patterns of humans and even machines. Communication-based interaction is of pivotal economic importance and the availability of generally accepted electronic communication standards is essential in order to decrease communication-related transaction costs. Roman Beck combines the theories of diffusion and network effects and presents a new goods classification model to explore the dissemination of IT and e-business standards. On this basis he designs two applications that support and improve firms' electronic interlaced communication by means of automation and standardization effects. He then examines how network effects drive the diffusion of communication standards and develops a model which is implemented as a simulation to show the dynamic interplay between direct and indirect network effects during the diffusion process. It also addresses critical mass and life cycle issues, as well as related utility changes in communication standards. The author concludes by detailing the connections between the new model and existing literature on network effects. "Roman Beck breaks new ground in explaining the role of communication standards in the creation of positive network effects that have become central to the knowledge economy. This work is required reading for those interested in the mechanics and implications of adoption and diffusion of communication standards." John Leslie King Dean and Professor School of information University of Michigan, USA

Information systems --- bedrijfseconomie --- informatica management

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The role of semantic information systems in today's enterprises is manifold: It ranges from the support of day-to-day operations up to the level of strategic management and business decision-making. The use of visualisation techniques, therefore, marks an important aspect of these systems. Hans-Georg Fill presents an innovative framework for visualisation based on an analysis of current visualisation approaches in business informatics. It encompasses the creation of visualisations both from a technical as well as a contextual point of view. The author in particular elaborates the concepts of visual objects, ontological visualisation patterns, and semantic visualisation. These allow for the integration of aspects of service orientation into the visualisation process and the semantic-based selections of visualisations for particular tasks. Finally, he supplies an application scenario from the area of IT-based risk management in order to illustrate how the approach can be applied to a concrete domain.

Information systems --- bedrijfseconomie --- informatica management

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Managing an international operation is seen by many as one of the most challenging activities in an enterprise. Uwe Sachse offers substantial answers to the question of how companies behave after they have entered a particular foreign market. The results of the empirical study show that the mode switch is an important option for improving performance in foreign markets. Uwe Sachse shows that, over the duration of foreign business activity, companies pursue characteristic internationalisation pathways through their choice of mode.

Information systems --- bedrijfseconomie --- informatica management

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Information systems (IS) offshoring describes the transfer of IS services to an offshoring service provider in a near or far away country. It has received growing attention in the past and there is a strong momentum in shifting IS services abroad. Markus Westner examines the IS offshoring phenomenon from the perspective of German companies. He first provides an overview of the current literature in the field of IS offshoring. Based on interviews with 47 industry experts, evaluation criteria for selecting projects for offshoring are identified. Finally, the author examines determinants of IS offshore project success in German companies based on a statistical analysis of 304 projects using structural equation modeling (PLS).

Information systems --- bedrijfseconomie --- informatica management