Attackers enter your PC through unpatched software and encrypt all your files. Can you afford to pay a $1,000 ransom to get your data back?
They turn your PC into a remote controlled zombie.Your computing power is collectively sold on the black-or PayPal-account invisibly within seconds.
Hackers use phishing techniques and keyloggers to get your most valuable password and empty your bank-or PayPal-accounts invisibly within seconds.
Potentially Unwanted programs that mess up your computer with useless browser toolbars, tons of commercials and other bulk that slows down the PC