Having an iPhone in your pocket is not only a one-way ticket to endless possibilities in gaming, browsing and productivity, but the native internet tethering feature ensures you have a personal hotspot right there whenever you need it. Provided, of course, you have decent cellular coverage, you can fire up your notebook, tablet, or any other Wi-Fi capable device, and connect straight to the World Wide Web. But while Apple tries to offer a helping hand by automatically generating a password for you, it has emerged that the random assortment of characters that the Cupertino company fires up for you may not be as secure as you’d hoped.