The primary purpose of spyware is to gather information about the use of computers. This includes Internet browsing habits emails accounts, bank information and other personal details that can be used by hackers for identity theft motives. It could also redirect internet searches, alter the homepages of browsers and alter computer system settings.
Users can prevent spyware infections by avoiding free download programs, apps, toolbars and add-ons which often come bundled with the malware. Before downloading any software users should check the privacy policies and terms of service of the website. It is also recommended to avoid clicking on links within pop-up windows. They should also select «no» when a dialog asks if they would like to run a particular program or perform a specific task.
Antispyware programs are able to detect and remove existing spyware on a device, whether a laptop or a desktop device, and to prevent it from infecting new devices. Certain programs provide real-time protection, which scans every network data and blocks attempts to install malicious code. They also block spyware from tracking user’s online activities or recording keystrokes.
The main disadvantage to spyware is that it slows down computers and consumes lots of Internet bandwidth processing power, memory and processing power. It is also able to cause problems with applications and cause the computer to overheat. Some spyware programs can also hide from antispyware software and blend into the operating system’s files.