Security is important in every app, of course, but if there is one group of mobile apps that users want to be secure even more so than any others, it’s probably mobile banking apps. It will undoubtedly come as a shock, however, that a new study has found 90% of mobile banking apps from top banks have serious security vulnerabilities that could potentially compromise sensitive user data. Security researcher Ariel Sanchez of IOActive recently published his findings after diving into home banking iPhone and iPad apps from 40 of the 60 top banks in the world. Here is a small sampling of his discoveries: “A few apps (less than 20%) did not have Position Independent Executable (PIE) and Stack Smashing Protection enabled.