The category of cyber crime includes fraudulent online shopping activity, computer software service fraud, computer misuse crime, offences linked to computer viruses and spyware and computer hacking.
While surfing on Google or Yahoo, spyware or a computer virus is automatically and invisibly downloaded on a computer, requiring no user interaction for the computer to be infected.
The women he wrote about learned of the plans only after his arrest, with the exception of his wife, who discovered her husband's pastime after installing spyware on his computer.