Ethical Hacking: Techniques, Tools, and Countermeasures, 4th Edition
by Michael G. Solomon, Sean-Philip Oriyano
Spyware
Spyware is another type of malicious software designed to collect and report information on a user’s activities without the user’s knowledge or consent. Spyware can collect any type of information about the user that the author wishes to gather, such as the following:
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Browsing habits
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Keystrokes
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Software usage
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General computer usage
Spyware can be used to gather information for any reason that its author deems useful. The information collected in this way has been used to target ads, generate revenue for the author, and steal personal information or data from an infected system. In some cases, spyware has gone beyond simple information collection to altering a system’s behavior. Additionally, it can act as a precursor to further ...
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