What is Spyware and Adware? How to remove them?
What is Spyware?
Spyware is software that gathers information about how you use your computer and transmits the data to a central server. This information can include which websites you visit, what applications you're using, or information about your computer specification. But, more sinisterly, the software can also transmit the usernames and passwords you've typed in online.
The data gathered about you might be used to send ads to your computer in the form of annoying pop-ups, to send you spam email or, in rare cases, to impersonate you online.
The definition of spyware varies greatly. Some privacy enthusiasts argue that all cookies are spyware, but these small files can make using the web easier (remembering logins, for example). The truly malicious spyware programs are those that install themselves without your permission and send data silently without you knowing.
What is Adware?
Put simply, adware is software that displays advertising on your computer. Often spyware and adware are part of the same program. Adware is, in theory, harmless on its own; some programs are free because they show adverts which pay for the developer's time. By clicking 'I agree' when installing these you are often agreeing to see the adverts in return for the free software. But when the software starts silently spying on you, it stops being harmless.
How does spyware and adware get onto my computer?
These programs are often installed because your browser or operating system has a security hole which was exploited by a website to install the spyware/adware. Or you might have installed a piece of free, advertising-supported software which has also installed spyware alongside the legitimate advertising.
Removing spyware and adware
Before you protect your computer from spyware and adware you need to remove any that may already be on your machine. There are lots of programs which claim to remove spyware and adware.But often they don't work.
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