You're in the store trying on a stunning but outrageously priced shirt. You have to have them, and your hand has already palmed your debit card--but wait! Did your mortgage payment clear your money market account yet? You could whip out your smart phone and check your balance using your bank's app, and maybe make a quick transfer between accounts. If you access your bank account information on your mobile phone, are you jeopardizing the security of your checking and savings accounts ? No, you're not, says Phil Blank, managing director of security, risk and fraud at Javelin Strategy and Research--not as long as you exercise some basic online street smarts. "All you need to do is use a little common sense," Blank says. Consumers worried about mobile banking securityIf you think twice before accessing banking information on your smart phone, you're not alone. Even though smart phone adoption has jumped, more consumers with mobile banking capabilities are concerne...