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The main purpose of spy ware is to gather data about the computer system’s use. This includes Internet browsing habits email addresses and account details, as well as banking information, and other personal information that can be used by hackers for identity theft for identity theft. It can also redirect web search results, alter homepages for browsers and alter computer system settings.

Users can protect themselves from spyware infections by avoiding free downloadable tools, programs, apps and add-ons that usually include malware. They should be aware of the terms of service and privacy policies of sites before downloading software and avoid clicking on hyperlinks within pop-up windows. They should also choose “no” when a pop-up window asks if they would like to run a specific program or perform a specific task.

Antispyware software can identify and remove spyware that is already present on a mobile or computer device, as well as stop it from infecting new devices. Certain programs provide real-time protection that scans all incoming network data, and blocks attempts to install malicious code. They also block spyware from tracking an individual’s online activity or recording keystrokes.

The main disadvantage of spyware is that it can slow down a computer and eat up a large amount of Internet bandwidth as well as memory and processing power. It is also able to cause problems with applications and cause a device to overheat. In addition, certain kinds of spyware can hide from antispyware applications and blend with the operating anatomy’s data files.