Attacking Computer Systems and Networks

Although hackers and viruses receive the most attention in the news (due to the volume of these forms of attack), they are not the only methods used to attack computer systems and networks. This chapter addresses many different ways computers and networks are attacked on a daily basis. Each type of attack threatens at least one of the three security requirements mentioned in Chapter 1: confidentiality, integrity, and availability (the CIA of security). Attacks are thus attempts by unauthorized individuals to access or modify information, to deceive the system so that an unauthorized individual can take over an authorized session, or to disrupt service to authorized users.

From a high-level standpoint, attacks ...

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