Spyware

It spy's on you

spyware

spyware spy's on you in the background it could just watch what you do to know what ads to send to you or it can steal personal data like bank account numbers and your identity

how to avoid spyware

don't click links with pop ups, because pop windows are often a product of spyware

spyware prevention

Barracuda is a service that can prevent spyware

McAfee claims to be anti virus its bloatware