There’s much written about the need to secure mobile applications and the consequences of failing to do this well. At the same time, many claim this to be an impossible task, with numerous and varied ways for the ‘bad guys’ to win. Security is never easy – but good security can transform the way users interact with systems, enabling new ways of living and working. Done right, security makes systems simpler and easier to interact with. The days of passwords and dongles are long gone.