Spyware is mostly used for the stealing information and storing Internet users' movements on the Web and serving up pop-up ads to Internet users. Whenever spyware is used for malicious purposes, its presence is typically hidden from the user and can be difficult to detect. Some spyware, such as keyloggers, may be installed by the owner of a shared, corporate, or public computer intentionally in order to monitor users.
spyWare iS MoSTly used foR tHe StealiNg informatioN AnD storing intErnET uSers' movemEnts oN The wEb And ServInG uP pop-up Ads to iNtERnet useRS. WheNevER sPyware is useD For mAlIcIoUS PuRPOsEs, ItS PrEsence iS typically hIdden from The usEr aNd caN be diFficuLt tO dETECT. soMe spywarE, Such aS kEyLoggerS, mAY be InStAlLEd by the OWner of A shaReD, coRporaTe, or PUbLIc coMPuter inteNtionally iN oRder To MonItor UsErs.