Free Republic

Of all the sinister things that Internet viruses do, this might be the worst: They can make you an unsuspecting collector of child pornography. Heinous pictures and videos can be deposited on computers by viruses — the malicious programs better known for swiping your credit card numbers. In this twist, it's your reputation that's stolen. Pedophiles can exploit virus-infected PCs to remotely store and view their stash without fear they'll get caught. Pranksters or someone trying to frame you can tap viruses to make it appear that you surf illegal Web sites. Whatever the motivation, you get child porn on...

It's well known that organizations with nefarious and often criminal goals support and distribute malware and spyware that allows them to snoop on and/or manipulate people's computers. However, what is less well-known is that some of the people behind spyware are ostensibly the "good guys"—law enforcement officers who install the software on suspects' computers to assist them with their investigations. The existence of "policeware" is not well-known, but the US government has used this sort of software before. In 2001, federal agents obtained permission from a judge to enter a suspect's home and install keylogging software on his computer. The...