With so many people now carrying iPhones and other "smart phones" that are basically handheld computers, the devices have become a much more attractive target for the bad guys who write viruses and other malicious software. Folks are now using their phones to pay bills, make purchases and engage in other financial transactions, which means an opportunity for hackers to steal passwords and identity information that can be lucrative for them. Get ready for a time when you need to install antivirus protection on your phone