Think 'mobile' technology a decade ago and the laptop pops into mind. Few of us had a cell phone. The big thing, if you recall, was cordless home phone that let you walk around the house while talking. There was also the pager/pay phone combination for the road warriors. Today's mobile computing devices are doing everything and anything as users want to be able to talk, email, surf the Internet, listen to music, watch video and even do financial transactions. That's why a growing number of leading financial institutions are readying security strategies to open the doors to online banking through the mobile device. Citibank is working on an encryption system, Wachovia already lets customers check online balances, and others are rolling out e-payment applications. Article