Spyware is a type of malware, or malicious software designed to infiltrate a computer system without the owner’s consent. Once installed, the spyware starts working and performs tasks that it was designed to do such as collecting little bits of information at a time about users without their knowledge.
Again, malware is an expression, or a general term used by computer professionals to mean a variety of forms of hostile, intrusive, or annoying software or program code. The term “computer virus” is sometimes used as a catch-all phrase to include all types of malware, including true viruses.
Spyware can interfere with user control of the computer in other ways, such as installing additional software and redirecting Web browser activity. Spyware is also known to change computer settings, resulting in slow connection speeds, different home pages, and/or loss of Internet or functionality of other programs.
The presence of spyware is typically hidden from the user, and can be difficult to detect. Typically, spyware is secretly installed on the user’s personal computer. Sometimes, however, spywares such as keyloggers are installed by the owner of a shared, corporate, or public computer on purpose in order to secretly monitor other users.
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