The basic wiretap channel model is considered first, and then several specific types of wiretap channels are considered, including gaussian, multiinput multioutput mimo, compound, and feedback wiretap channels, as well as the wiretap channel. Information theoretic security university of maryland. Alice and bob want to communicate privately over an insecure channel. I am a researcher at institute of information science iis, academia sinica.
Information theoretic security in wireless networks yingbin liang, h. Information security officer or department and if so w hat the reporting relati onship is to senior management. Prior to joining iis, i was a postdoc at cornell university working under the supervision of rafael pass and supported by simons postdoctoral fellowship. However, with the emergence of ad hoc and other less centralized networking environments, there has been an increase in interest. Review of the book network security a decision and game. This separation of information from systems requires that the information must receive adequate protection, regardless of physical or logical location. An integrated system theory of information security. Fundamentals of information systems security, third. An information theoretic approach for feature selection. Use the link below to share a fulltext version of this article with your friends and colleagues. Structuring the chief information security officer. This book constitutes the thoroughly refereed proceedings fo the 9th international conference on information theoretic security, icits 2016, held in tacoma, wa, usa, in august 2016.
Research and development concerning information security is closely connected with japans science and technology strategy. Information theoretic approaches to privacy and security. In this model, eve has perfect access to the insecure channel, i. The protocol also tolerates failures of its components, still preserving most of its security properties, which makes it accessible to regular users. Security measures from gametheory system security is a battle of wits and a. The payoffs of the game capture both the instant effects of the player interaction on the system and any future effects on the system. It security architecture february 2007 6 numerous access points. We also show that the sss scheme is merge homomorphic and the proposed method, by virtue of using the sss scheme, provides information theoretic security. The information security game between a rational expert and several naive shortsighted agents with all the users having limited informaiton about others risk factors, more than two. Pdf informationtheoretic security in wireless networks.
Game theory for network security citeseerx mafiadoc. The topic of information technology it security has been growing in importance in the last few years, and well recognized by infodev technical advisory panel. Information theoretic secrecy goals of information theoretic secrecy reliability legitimate receiver successfully decodes information security eavesdropper obtains as little information as possible yingbin liang syracuse university 2014 european it school april 16, 2014 11 2. Secrecy in multiterminal wireless settings may be enhanced by judiciously introducing interference and. Informationtheoretic security is a cryptosystem whose security derives purely from information. Enhancing physical layer security via channel feedback. This chapter and the next discuss the two stages of the security systems development. Information security benchmark, 28% of overall participants named data theft and disclosure as the major information security risk. Information security research and development strategy. Information technology security handbook v t he preparation of this book was fully funded by a grant from the infodev program of the world bank group. Systems theoretic process analysis of information security.
To develop a definition of strategic information systems security, we must therefore first determine that information systems security is far enough along its evolutionary path to be considered a strategic asset. Information theoretic security and its applications. Security analysis and portfolio management objectives. Our core idea is to encrypt the content text and image blocks in the pdf files using shamirs secret sharing sss scheme before uploading it to a pdf merge server. In particular, we combine wiretap coding and relay coding in chapter 5. From the informationtheoretic point of view, there is no reason to restrict the function of a node to that of a switch. Furthermore, the framework and metrics discussed here provide practical insight on how to design and improve security systems using wellknown coding and optimization techniques. Journal of organizational computing and electronic commerce. The basic wiretap channel model is considered first, and then several specific types. Formalization of informationtheoretic security for. Informationtheoretic security as an optimization problem stefan rass journal of next generation information technology volume 2, number 3, august 2011 2. Information security management is the process of administering people, policies, and programs with the objective of assuring continuity of operations while maintaining strategic alignment with the organizational mission cazemier et al.
Rather, a node can function as an encoder in the sense that it receives information from all the input links, encodes, and sends information to all the output links. We can use this information as a starting place for closing down undesirable services. Keywords des information algorithms coding theory cryptography data transmission fingerprinting information hiding network security privacy and reliability quantum cryptography security. The method computes the net mutual information that is combination of mutual information, redundancy, and class conditional interaction information for each feature. It proceeds to provide an overview of how information theoretic approaches are developed to achieve secrecy for a basic wiretap channel model as well as for its extensions to multiuser networks. A, then participants in a can recover w after combining their shares. Information theoretic security foundations and trends in. This book constitutes the refereed proceedings of the 10th international conference on information theoretic security, icits 2017, held in hong kong, china, in novemberdecember 2017.
This is in contrary to the title highlighting that it is network security book. Information theoretic security at the physical layer no assumption on eves computational power no assumption on eves available information unbreakable, provable, and quanti. This was the fourth conference of this series, aiming to bring together the leading researchers in the area of information andor quantum theoretic security. Fundamentals of information systems security, third edition transition guide. The feature having zero mutual information will be discarded from further selection process in step 5 to step 8. Culture has been identi ed as an underlying determinant of individuals behaviour and this extends to information security culture, particularly in developing countries. Due to the increasing importance of security in modern communication systems, it has also recently become one of the focuses for the information theory community 5 67, where both classical. Mclaughlin abstract in this twopart paper, we consider the transmission of con. Informationtheoretic security as an optimization problem. Security tls several other ports are open as well, running various services. The role of information security in a mergeracquisition. The basic wiretap channel model is considered first, and then several specific types of wiretap channels are considered, including gaussian, multiinput multioutput mimo, compound, and feedback wiretap channels, as well as the wiretap channel with side information. The course will acquaint students with some fundamental concepts such as risk diversification, portfolio selection, capital asset pricing model etc.
From this point of view, a switch is a special case of an. In step 4, the mi representing relevance is computed. First and foremost, an information security project manager must realize that implementing an information security project takes time, effort, and a great deal of communication and coordination. Security techniques and management tools have caught a lot of attention from both academia and practitioners. Information security forms the papers central theme and strategy is implicit only. Information security strategy does not form the central argument of the paper, e. The security of cryptographic protocols in informationtheoretic cryptography does not require any computational assumption based on computationally hard prob. This research investigates information security culture in the saudi arabia context. Vincent poor and shlomo shamai shitz summary security in wireless networks has traditionally been considered to be an application layer issue.
Informationtheoretic p erspective wei liang 1,yuanjian zhang 2,jianfeng xu 1,deyu lin 1 1 school of software, nanchang university, nanchang, 330047, china. However, there is lacking a theoretical framework for information security management. For cipher, perfect secrecy requires a onetime pad. Information theoretic security, foundations and trend in. This book is a decision and game theoretic book rst with few hypothetical examples from network security.
Information security, security concepts, information asset, threat, incident, damage, security mechanism, risk 1. Our protocols combine distributed variants of slepianwolf coding and the leftover hash lemma. We assume that the adversary, eve, can listen to all messages on this channel but cannot interject. Information theoretic security surveys the research dating back to the 1970s which forms the basis of applying this technique in modern systems. Shamai shitz, information theoretic security foundations and trends in communications and now publishers. To be more precise, 3 introduced a model of a cryptosystem see figure 1. Cyber security is a complex eld that draws applications from variety of theoretical areas. In the case of our example target, ports 22, 80, and 443 being open might be notable if we did not intend to allow remote access or serve web content. Merkow jim breithaupt 800 east 96th street, indianapolis, indiana 46240 usa. It is very important that managers understand that risk management has a central place in information security management. Targeted cyber attacks have been reported as the second biggest risk. Information theoretic guarantees for empirical risk minimization with applications to model selection and largescale optimization. Introduction as a university lecturer and researcher in the topic of information security, i have identified a lack of material that supplies conceptual fundamentals as a whole. With the popularity of electronic commerce, many organizations are facing unprecedented security challenges.
Manual authentication systems are studied in computational and information theoretic security model and. This course aims to provide a basic knowledge of the theories and practices of modern portfolio choice and investment decision. Understanding the minimal requirements for informationtheoretic security is a central part of this line of research. We combine interactive zeroknowledge protocols and weak physical layer randomness properties to construct a protocol which allows bootstrapping an itsecure and pfsecure channel from a memorizable shared secret. Actually, information security shouldnt be a game of guessing, but a game of systematic research into the deficiencies in a companys system, and making educated decisions about best course of action for treating them. Very attractive is the mathematical neatness of the field, and its rich connections to other areas of mathematics, like probability and information theory, algebra, combinatorics, coding theory, and quantum information. Once this case is presented, we can then proceed with offering a definition of strategic information systems security. Review ing the organizati on chart should a llow you to identify key. Mappings of functions, departments, subfunctions, and activities 19. The study of security systems through the informationtheoretic lens adds a new dimension for understanding and quantifying security against very powerful adversaries.
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