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iPhone passwords not worth the paper they're written on
Push two keys to bypass password
iPhones protected by a password aren't actually protected at all, as just by pressing a few keys a miscreant can access all the phone's functions without needing the password at all.
The trick, reported by MacRumours, is simply a press of the "Emergency Call" key from the passcode entry screen, followed by a double-tap on the home button. That takes the miscreant into favourites, from which they can access the address book, from which they can get into the e-mail client (by tapping a contact's e-mail address) or the browser (by tapping a URL).
Clearly Apple has missed a trick here, and a fix should be quickly forthcoming, but it bodes badly for a device which is trying to sell itself into the enterprise and is already under fire for lacking important security features.
Concerned users can secure their devices by disabling the home button double-tap (Settings > General > Home Button > Checkmark Home), though it really shouldn't be working at all at that point.
Users might argue that a device password should never be relied upon, but one that is so trivial to bypass makes a mockery of the very concept. It's unlikely that this security problem will do more than attract ridicule to the iPhone security model, but it's ridicule that Apple could do without while they're trying so hard to have the iPhone taken seriously as a business device.