Apple's iOS 9 to ditch 4-digit passcodes, introduces 6-digit alphanumeric ones
iOS 9 is already official and got previewed on stage at the WWDC opening event. We've already rounded up the more major new features of the upcoming iteration of the platform, but other, minor ones are surfacing as we speak.
That's not all, mind you - the passcode can now consist of both letters and digits. This alphanumeric combination paves the way towards stronger and harder to guess passcodes. Certainly that is a pretty big leap in terms of security