A Guide to Computer Network Security by Joseph Migga Kizza (auth.), Joseph Migga Kizza (eds.)

By Joseph Migga Kizza (auth.), Joseph Migga Kizza (eds.)

Contemporary societies have expanding dependence on pcs and desktop networks, and the expanding acclaim for cellular computing, have given upward thrust to varied desktop defense difficulties. but regardless of a excessive proliferation of professional treatments, a potential and complete approach to those defense concerns continues to be elusive, and society maintains to endure by the hands of cyber criminals, vandals and hackers.

This authoritative Guide to machine community safeguard explores desktop community infrastructures and protocol layout protection flaws, and discusses present safety suggestions and top practices in either mounted and cellular laptop networks. The booklet largely surveys thought-provoking safety matters, discussing and elevating questions about the impression of recent applied sciences and protocols (with specific emphasis at the fast development and skyrocketing pursuits and use in cellular technologies). It extra explores the protection threats and vulnerabilities within the present community infrastructure and protocols, and descriptions present protection efforts. The textual content assumes a modest familiarity with uncomplicated desktop programming and networking.

Features:

• Covers the very center of community safeguard, and contains chapters concerning the very most up-to-date in ‘handling mess ups’ and ‘security in cellular community systems’

• provides an in-depth dialogue of standardization, back informing the reader on present traits at the topic

• increases expertise of the protection difficulties in our on-line world, and extra quite, machine community security

• Discusses desktop community infrastructure and protocol layout flaws and vulnerabilities

• Explores the position of laws and legislation enforcement in preserving machine and desktop community security

• Proposes effective and largely applicable recommendations and most sensible practices to safeguard difficulties, and encourages readers to enquire different attainable solutions

• signals the reader to the daunting safeguard difficulties in more and more well known cellular community systems

• contains sorts of end-of-chapter workouts: fast potential questions, in addition to extra thought-provoking complicated exercises

• Devotes one entire bankruptcy to lab workouts: weekly, semester assignments and difficult open-research projects

• Endeavours to exploit open resource software program instruments throughout

• presents help fabrics for teachers and scholars akin to PowerPoint slides, syllabus feedback, ideas, teacher guide and scholar laboratory materials

This text/reference is a useful educational and examine instrument for undergraduates in desktop and data defense. it's also a wealthy source for practitioners, and execs trying to achieve an figuring out of laptop community infrastructure and data community security.

Dr Joseph Migga Kizza has additionally written Computer community Security and Ethical and Social concerns within the info Age. 

Key themes:

Network Vulnerabilities

Hostile Scripts

Security Assessment

Authentication

Cryptography

Computer and community Forensics

Network safeguard Protocols

Security in instant and Sensor Networks

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Extra info for A Guide to Computer Network Security

Sample text

It is also necessary to create fairness in the network so that all other elements can transmit when they need to do so. See Fig. 13. A collision control mechanism must also improve efficiency in the network using a bus topology by allowing only one element in the network to have control of the bus at any one time. This network element is then called the bus master and other elements are considered to be its slaves. This requirement prevents collision from occurring in the network as elements in the network try to seize the bus at the same time.

To help in this effort and streamline computer communication, the International Standards Organization (ISO) developed the Open System Interconnection (OSI) model. The OSI is an open architecture model that functions 18 1 Computer Network Fundamentals as the network communication protocol standard, although it is not the most widely used one. The Transport Control Protocol/Internet Protocol (TCP/IP) model, a rival model to OSI, is the most widely used. 1 Open System Interconnection (OSI) Protocol Suite The development of the OSI model was based on the secure premise that a communication task over a network can be broken into seven layers, where each layer represents a different portion of the task.

It takes in imports and re-transmits them verbatim. It can be used to switch both digital and analog data. In each node, pre-setting must be done to prepare for the formatting of the incoming data. For example, if the incoming data is in digital format, the hub must pass it on as packets; however, if the incoming data is analog, then the hub passes as a signal. There are two types of hubs: simple and multiple port hubs, as shown in Figs. 24. Multiple ports hubs may support more than one computer up to its number of ports and may be used to plan for the network expansion as more computers are added at a later time.

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