Recently in wireless systems, one of the most fundamental issues is guaranteeing the confidentiality of the communication due to the broadcast nature of the system, 4. Part i of this twopart paper was devoted to the informationtheoretic security limits of a wireless communications scenario with quasistatic fading. Wpa provides users with a higher level of assurance. Information security promotes the commonly accepted objectives of confidentiality, integrity, and availability of information and is essential to the overall safety and soundness of an institution. Boingo provides highspeed wifi and cellular services to airports, stadiums, military bases, multifamily communities and other public places worldwide. Informationtheoretic security is a cryptosystem whose security derives purely from information theory. Wireless networking security page 7 of 29 wifi protected access and wifi protected access 2 wifi protected access wpa is a wireless security protocol designed to address and fix the known security issues in wep. In terms of the osi reference model, the radio signal operates at the physical layer, and the data format controls several of the higher layers. Practical schemes for wireless informationtheoretic security are presented in part ii, which in some cases comes close to the secrecy capacity limits given in this paper. Pdf arq security in wifi and rfid networks researchgate. The security of each wlan is heavily dependent on how well each wlan componentincluding client devices, access points ap, and wireless switchesis secured throughout the wlan lifecycle, from. All wireless infrastructure devices that reside at a.
Researches on information theoretic security try to find the bounds of the channel capacity in which the amount of information leaking to the eavesdropper asymptotically. Information security federal financial institutions. Wireless informationtheoretic security request pdf. Pdf physical layer phy security has become an emerging area of research recently. In part i of this twopart paper on confidential communication over wireless channels, we studied the fundamental security limits of quasistatic fading channels from the point of view of outage secrecy capacity with perfect and imperfect channel. Boncella a diffused signal can reflected off of existing surfaces such as a ceiling and that signal can be received by any device within range. Wireless security is just an aspect of computer security. Wireless security cameras are a great way to keep an eye on your home and spot potential trouble. Informationtheoretic physicallayer security has emerged in the past few years as a promising new approach to securing wireless communications.
Best wireless home security cameras of 2020 consumer reports. In contrast to cryptography, there are no assumptions on. Get free 2day shipping on qualified wireless security camera systems products or buy electrical department products today with buy online pick up in store. Informationtheoretic security for wireless communications introduction. Mclaughlin abstract in this twopart paper, we consider the transmission of confidential data over wireless wiretap channels. The aim of informationtheoretic secrecy is to ensure that an e avesdropper who listens to the wireless transmission of a message can only collect an arbitrarily small number of information bits about this message. The ability to enter a wireless network has great benefits. Similarly, if an employee adds a wireless interface to. There are separate secure communication links for key exchange. Cse497b introduction to computer and network security spring 2007 professor jaeger page wap wireless application protocol a set of protocols for implementing applications over thin read wireless pipes. Technical challenges, recent advances, and future trends. Based on the insights from this analysis, a practical secure communication protocol is developed, which uses a fourstep procedure to ensure wireless informationtheoretic security. This paper analyzes the security of future wireless communication system from an informationtheoretic point of view and proposes an overall security metric. System security the cisco ip phone 7800 and 8800 series include system security features.
Mclaughlin abstract in this twopart paper, we consider the transmission of con. Special thanks go to my supervisor, fredrik erlandsson, for his support and guidance. Information theoretic security university of maryland. This paper highlights those threats, and explains what you need to know to use wireless safely, both in the home and in public. Information theoretic security, gaussian channels, wireless channels, secrecy capacity. Information theoretic security for wireless channels theory and practice matthieu bloch. Information theoretic security and its applications.
To be more precise, 3 introduced a model of a cryptosystem see figure 1. An information theoretic approach to rf fingerprinting onur gungor, c. Based on an informationtheoretic formulation of the problem, in which two legitimates partners communicate over a quasistatic fading channel and an eavesdropper. Information theoretic paths forward in the wireless physical layer h. The theoretical findings of wireless informationtheoretic security are extended to include the use of ldpc channel coding scheme as. Pdf wireless informationtheoretic security joao barros academia. Wireless informationtheoretic security article in ieee transactions on information theory 546. If youre using wireless technology, or considering making the move to wireless, you should know about the security threats you may encounter. Wireless communication policy sans information security. Security has been one of the most significant problems surrounding wireless communications, in large part due to the openness of wireless medium where eavesdropping can be easily accomplished. Three themes are developed in parallel throughout the dissertation. Recent research on wireless information theoretic security. Exploiting the noncommutativity of nonlinear operators. Wireless security penn state college of engineering.
An information theoretic approach to rf fingerprinting. A wireless local area network wlan is a group of wireless networking devices within a limited geographic area, such as an office building, that exchange data through radio communications. In this model, eve has perfect access to the insecure channel, i. Wireless informationtheoretic security wits has been suggested as a robust security scheme, especially for infrastructureless networks. We demonstrate that the proposed metric is more reasonable than some existing metrics and it is highly sensitive to some basic parameters and. White paper hipaa compliance for the wireless lan june 2015 this publication describes the implications of hipaa the health insurance portability and accountability act of 1996 on a wireless lan solution, and highlights how meraki products can help customers maintain a hipaacompliant network.
Guidelines for securing wireless local area networks wlans. Pdf informationtheoretic security in wireless networks. An informationtheoretic security metric for future. Information theoretic security for wireless channels. The online course version is currently developed and is planned to be ready autumn 2016. This is the course page for the online graduate course on information theoretic security swedish. Based on the physical layer, wits considers quasistatic. Even if the transmitted information is encrypted and the potential wiretap channel is physically limited e. The network structure includes the wireless network interface adapters and base stations that send and receive the radio signals. Pdf in this paper, we present two practical arqbased security schemes for wi fi and rfid. The basic wiretap channel model is considered rst, and then several speci c types of wiretap channels are considered, including gaussian, multiinput multioutput mimo, compound, and feedback wiretap channels, as well as the wiretap. In this work, the relation between the key parameters of wireless informationtheoretic security, namely the probability of nonzero secrecy capacity, the outage probability, and the shadowing. Introduction to wireless networks when you invent a new network.
Mclaughlin abstract in part i of this twopart paper on con. But just because your house is safer doesnt mean the footage these streaming video cameras. We provide a systematic approach rooted from information theory to. Index termsinformationtheoretic security, lowdensity paritycheck ldpc codes, secrecy capacity, secret key agree ment, wireless channels. Based on an informationtheoretic formulation of the problem, in which two legitimates partners communicate over a. I intend to make a survey in wireless data security since wireless networks are very common, both for organizations and individuals.
The analysis was carried out in terms of outage probability and outage secrecy capacity, both for perfect and imperfect channel state information. Various security measures have been reported and developed since shannons work 1. Mobile service provider boingo wireless, inc boingo. This book constitutes the refereed proceedings of the 5th international conference on information theoretic security, held in amsterdam, the netherlands, in may 2011. Many laptop computers have wireless cards preinstalled. Information security exists to provide protection from malicious and nonmalicious. Security risk assessment and countermeasures nwabude arinze sunday v acknowledgement i am grateful to god almighty for his grace and strength that sustained me through out the duration of this work, thereby making it a success. Information theoretic paths forward in the wireless. A pointtopoint signal is sent as beam to ir switch that ir switch relays the signals to next ir switch and so forth. The 7800 and 8800 series include many enhanced security options. Wireless informationtheoretic security information.
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