security sensor networks (521 Ergebnisse)

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Zustand: Hervorragend. Zustand: Hervorragend | Seiten: 420 | Sprache: Englisch | Produktart: Bücher.

Taschenbuch. Zustand: Neu. Neuware -This article describes a three-tier general framework that permits the use of any pairwise key predistribution scheme as its basic component. The new framework requires two separate key pools, one for the mobile sink to access the network, and one for pairwise key establishment between the sensors. To further reduce the damages caused by stationary access node replication attacks, we have strengthened the authentication mechanism between the sensor and the stationary access node in the proposed framework. Through detailed analysis, we show that our security framework has a higher network resilience to a mobile sink replication attack as compared to the polynomial pool-based scheme.Books on Demand GmbH, Überseering 33, 22297 Hamburg 64 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -Wireless sensor networks (WSNs) becoming popular nowadays due to the low-cost, unattended nature and the capability of self-organization of sensor nodes. Security is critical for many sensor network applications, such as military target tracking, weather monitoring and security monitoring. The deployment of sensors in a hostile environment and communication over the wireless medium, make the WSNs vulnerable to several types of attacks, like eavesdropping, Denial of Services (DoS) attacks, flooding and Sybil attack. Among these attacks, the node clone attack is a harmful attack, through which attacker compromises a node and then inject clones within the sensor networks. These clones perform various destructive operations, which obstructs the working of WSNs. The wireless sensor network requires robust mechanisms for the detection of node clone attack. This book presents security attacks classification for wireless sensor networks and the focus is given on the node clone attack. Analysis of various detection mechanisms for node clone attacks is also illustrated in this book.Books on Demand GmbH, Überseering 33, 22297 Hamburg 64 pp. Englisch.

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Taschenbuch. Zustand: Neu. Neuware -Wireless Sensor Network includes various numbers of resource constrained sensor nodes that are deployed within the area to experience the real world attributes and ship the sensed records in-terms of digital statistics to one or extra centralized processing devices or base stations for reading the facts. Since the medium of facts verbal exchange takes place wirelessly, there are possibilities for the intruders to assault the community to gain the name of the game statistics and to disrupt the provider of the network. From the literature, it may be understood that there may be no unique protection solution available that defends against all styles of protection attacks. While designing the security protocol for wireless sensor networks, the availability of sources, the result of attackers and the complexity stage of protection required by the application must be taken into consideration.Books on Demand GmbH, Überseering 33, 22297 Hamburg 72 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -It is of paramount importance to have a mechanism of alienating any suspicious node from a network before it leads to any damage. In this form of attack which is popularly referred to as camouflage attack, the attacker first compromises an existing sensor node or inserts a malicious node with an intention of later using it. Once this node joins the network, it will exchange and route messages with the other nodes as a legitimate node, allowing the attacker to gather, modify or inject data.Books on Demand GmbH, Überseering 33, 22297 Hamburg 56 pp. Englisch.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Master's Thesis from the year 2013 in the subject Computer Science - Internet, New Technologies, grade: 8.12, , course: M. Tech, language: English, abstract: Wireless sensor network (WSN) is an emerging imperious leading technology of the current century that presents great promise for various pioneering applications. The use of sensor networks should keep developing, mainly in the fields of scientific, logistic, healthcare and military applications. Sensor networks interact and collect sensitive data and operate in unattended hostile environments, thus it is imperative to pay attention to the security of wireless sensor networks as they are highly prone to threats. For successful operation of the nodes, it is important to maintain the security and privacy of the transmitted data as well as the data stored at nodes. The different security protocols and models used in the wired and other wireless networks such as ad-hoc networks cannot be used in WSNs because the sensor size poses significant restrictions, mainly in terms of energy autonomy and node lifetime, as the batteries have to be too tiny. Also, the existing security protocols in these constrained networks are not sufficiently energy efficient, which is the real motivation behind this work. In this thesis, a light-weight dynamic security algorithm titled 'An Energy Efficient and Dynamic Security Protocol (EEDSP)' for wireless sensor networks has been proposed and implemented at nodal level. We also implement an existing algorithm and then carry out the performance analysis of both the algorithms in terms of energy consumptions, node lifetime and memory requirements at source and intermediate nodes to verify the improvement in our protocol's results.

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Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Doctoral Thesis / Dissertation from the year 2017 in the subject Electrotechnology, grade: PhD, , course: Doctor of Philosophy, language: English, abstract: Wireless Sensor Networks (WSNs) is fast emerging as prominent study area that attracting considerable research attention globally. The field has seen tremendous development in design and development of application related interfaces with sensor networks. Sensor network finds applications in several domains such as medical, military, home networks, space and so on. Many researchers strongly believe that WSNs can become as important as the internet in the near future. Just as the internet allows access to digital information anywhere, WSNs could easily provide remote interaction with the physical world. It is going to be the backbone of Ubiquitous Computing (UBICOMP).Through local collaboration among sensors, elimination of duplicate data, participation of relevant nodes in the given task etc. can produce a significant difference in energy conservation, thereby increasing the life time of the sensor network.As the number of nodes increases, data security becomes the most challenging part of the network. The intruders can hack the data any time during processing, transmission or at the receiver end. So, as a popular approach data encryption is the most commendable approach in today's network. Asymmetric key encryption consumes more energy in processing and so not recommended for WSNs. Symmetric key encryption gives better performance with respect to asymmetric key encryption in WSN applications. It uses less computational power due to relatively effortless mathematical operations, and eventually spends less power. This thesis also proposes a symmetric data encryption through Tabulation method of Boolean function reductionfor the WSNs for secure data transmission. It also suggests a new secure approach, SEEMd, Security Enabled Energy Efficient Middleware algorithmfor the critical data sensing and gives a second chance to the nodes before it falls into to sleep mode for energy management.WSNs are designed for applications which range from small-size healthcare surveillance systems to large-scale agricultural monitoring or environmental monitoring. Thus, any WSN deployment, data aggregation, processing and communication have to assure minimum Quality of Service (QoS) in the network from application to application. In this circumstances, the proposed algorithms in this thesis proved to be efficient and reliable in energy saving and life time enhancement.

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Taschenbuch. Zustand: Neu. Neuware -Wireless Sensor Networks (WSN) are difficult to deploy. Limited energy, bandwidth, hardware and lack of security make WSN implementation difficult. Conventional security mechanisms cannot be applied because of the inherent processing and communicational constraints that exist in WSN. This book focuses on the design, implementation and analysis of an Optimized Security Protocol (OSP) that fulfills the requirements of confidentiality, authentication and integrity in WSN. OSP fulfils requirements of high level security without compromising resources. OSP architecture is based on the further optimization of computations in the Rabbit stream cipher and reduction in communication overhead to save sensor¿s life time. The OSP has been implemented using power of TinyOS coupled with NesC. In order to evaluate the system, several experiments have been carried out with respect to encryption/ decryption of various data blocks. Evaluation of OSP has been done by conducting a comprehensive efficiency analysis of the OSP architecture. Furthermore, the results of execution time and memory footprint for OSP have been compared to its cryptographic counterparts.Books on Demand GmbH, Überseering 33, 22297 Hamburg 80 pp. Englisch.

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Zustand: Sehr gut. Zustand: Sehr gut | Seiten: 232 | Sprache: Englisch | Produktart: Bücher.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Ad hoc and sensor networks are making their way from research to real-world deployments. Body and personal-area networks, intelligent homes, environmental monitoring or inter-vehicle communications: there is almost nothing left that is not going to be smart and networked. While a great amount of research has been devoted to the pure networking aspects, ad hoc and sensor networks will not be successfully deployed if security, dependability, and privacy issues are not addressed adequately.As the first book devoted to the topic, this volume constitutes the thoroughly refereed post-proceedings of the First European Workshop on Security in Ad-hoc and Sensor Networks, ESAS, 2004, held in Heidelberg, Germany in August 2004. The 17 revised full papers were carefully reviewed and selected from 55 submissions. Among the key topics addressed are key distribution and management, authentication, energy-aware cryptographic primitives, anonymity and pseudonymity, secure diffusion, secure peer-to-peer overlays, and RFIDs.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - You hold in your hands the proceedings of ESAS 2007, the Fourth European Workshop on Security and Privacy in Ad hoc and Sensor Networks. The wo- nd rd shop took place in Cambridge, UK, on the 2 and 3 of July 2007. The workshop was European in name and location but it was de nitely transatlantic in scope. We had a program chair from Europe and one from the USA, and membership of our program committee was almost evenly split - tween those two regions. When looking at participation, the workshop was even more global than that: the submitted papers came from 25 countries in 6 con- nents. We received 87 submissions. After quick-rejecting 5 papers deemed to be out of scope, the remaining 82 papers were each reviewed by at least three PC members. The two program chairs, who did not submit any works, had sole authoritytodecidewhichpaperstoacceptandreject,basedonlyonthedirective that quality had to be the primary criterion, in order to form a proceedings volume of high international relevance. The number of papers to be accepted was not set in advance: it was selected a posteriori so as to include only solid, innovative and insightful papers. The resulting acceptance rate of about 20%, very strict for a workshop, is a testimonial of how selective we chose to be in accepting only high quality papers.

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Taschenbuch. Zustand: Neu. Neuware -To get low cost solution of real-world problems, wireless sensor network is widely used. As sensors are low cost tiny device with limited storage, computational capability and power, energy efficient protocol is needed in the applications of wireless sensor network. On the other hand security is one of the main concerned when sensors will communicate to each other securely. Id-Based scheme provides that security, clustering approach provides an energy efficient topology control and cluster head and route selection provides an energy efficient data routing mechanism. In this paper we will propose a framework of three phases: in first phase we will propose an algorithm for finding minimum connected dominating set using maximal independent set for unit disk graph. In second phase we will propose an algorithm for cluster head and path selection and in last phase we will proposed an Id-Based scheme to provide secure communication within the network.Books on Demand GmbH, Überseering 33, 22297 Hamburg 104 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -Due to the fundamental characteristics, security is very crucial for wireless sensor networks. Wireless sensor network is used in military applications, environment monitoring, forest fire detection, health applications etc. It has received great attention due to the wide range of applications. Sensor nodes are vulnerable to many more attacks such as jamming, selective forwarding, Sybil, wormhole, sinkhole etc. Among all possible attacks wormhole is very dangerous because after launching wormhole an attacker can launch many more attacks. Research related to wormhole in sensor network has received much interest recently.Books on Demand GmbH, Überseering 33, 22297 Hamburg 88 pp. Englisch.

Taschenbuch. Zustand: Neu. A Security Architecture for the Wireless Control Network Sindrion | Analysis and Development of a Security Architecture for Wireless Sensor Networks Exemplifying the Sindrion System | Michael Schlottmann | Taschenbuch | Englisch | VDM Verlag Dr. Müller | EAN 9783836472661 | Verantwortliche Person für die EU: VDM Verlag Dr. Müller, Brivibas Gatve 197, 1039 RIGA, LETTLAND, customerservice[at]vdm-vsg[dot]de | Anbieter: preigu.

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