The first known use of the expression "spyware" occurred on October 17th, 1994 in a post that joked about Microsoft's business model. Spyware later came to allude to snoop equipment such as diminutive cameras. In early 2000, the man who started Zone Labs used the term in a press release for a new product. Since then, the computer-community has used the term in its current definition.

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Spyware is more dangerous than a virus. It can steal personal data and track your internet habits. It might be concealed in a free screensaver or other software that you download. Computer safety expert Leif Wheeler advises us to be aware of any offer of free software. Many times, spyware is hidden in legitimate software. Be cautious of deals offered by well-known companies.

The largest target of spyware is without a doubt Microsoft's Internet Explorer.
It is the most widely used web browser and it has a long history of weak security. Its deeply integrated into the Windows operating system and its scriptability make it very susceptible to intrusion by malicious software. Browser helper objects can easily attach to Internet Explorer.