Titlebook: Elements of Computer Security; David Salomon Textbook 2010 Springer-Verlag London Limited 2010 Authentication.Computer Security.Cryptograp

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Moral Disagreements and Their Resolution,s, and through different media such as paper or verbally. We therefore expect these pieces of information to disappear or at least to stay separate. The nature of the online world, however, is such that individual pieces of information tend to gravitate toward one another and coalesce into solid objects called personal records.

Synchronism

Worms, a security hole or a vulnerability discovered by its creator. Section 3.4 shows how the Internet worm exploited security weaknesses in the finger and sendmail UNIX utilities. Section 2.11 describes a vulnerability in a decoder for jpeg images.

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Prevention and Defense, the first place, and defending against it are important goals of any computer user, whether an individual or part of an organization. Methods and ideas for preventing malware and defending against it are the topic of this chapter.

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Spyware,latest updates of the operating system are finding to their surprise that in spite of all their efforts their computers are loaded with spyware. And what makes this problem worse is that most spyware is particularly tricky to get rid of.