Why are Viruses, Spyware, Malware, Adware, & Keyloggers So Harmful?

The antivirus business is a huge segment of the technology industry, with computer owners regularly encouraged to protect themselves against the huge assortment of different threats in operation online. From viruses to adware, spyware to keyloggers, there are countless dangers roaming in all corners of the web, threatening computer users with the potential of a serious infection on their machine. In spite of the warnings, many computer users are curious to understand what makes these problems so harmful to their machines. In fact, each of these different issues can cause very serious consequences for the computer owner.
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