Mobile banking apps are steadily gaining users, however their functionality remains limited compared to what is available by consumers using an online app through their computer. Card issuers want to add more self-service functionality for customers but security concerns are high. The fear is malicious software can collect identification credentials from another app a user has downloaded to their device and use the credentials to communicate with a bank’s server. Once inside, it can modify the behavior of a payment or banking app or transmit the legitimate app to a rogue Web server. Crypt...