Sorry I am from Melbourne Australia, btw.
The source of the hack is varied but I believe from my investigations given my head start as a victim some weeks ago, that the offenders are very very local.
Some of you might also notice now that you are prone to checking, that your devices have been root accessed remotely by unauthenticated shell log in (jailbreak not required contrary to false and wrong assurances). If you read the reasons released by Apple for iOS 7.1.1 update you will see it right there thus the reason for those patches. As a result your key chains like mine would have been accessed along with your account passwords for everything! If they didn't do this, then the reverse happened via heart bleed.
Nonetheless your devices and data are in jeopardy while they remain locked by someone else and powered on. I would put the iOS devices in DFU mode immediately, remove the SIM card and contact apple for further reset assistance. As for MacBooks etc you must shutdown using terminal so that it actually forces any hackers to be logged off at the same time. I also disconnected the power if possible as not taking any chances.
In the mean time, an internet security specialist (not Apple. They didn't help me still!) said I have to reset EVERY password, username if possible and banking detail that I can, BUT MUST BE DONE ALL IN ONE SESSION, ON INTERNET AND DEVICES THAT ARE NOT YOUR OWN OR LINKED WITH THE BREACHED DEVICE IN ANY WAY, and that I am not to use any device with these new account details until the problem has been solved. So I say it's a good time to head over to the demo computers and free internet at Apple and "stand" there and change all your keychain entries, iCloud's, emails, netbanks, Dropbox, etc etc etc. I wish everyone the best of luck!
P.s. I firmly believe that once the imei, serial and mac addresses have been compromised that Apple must swap the devices over or issue new numbers as the hackers have used these details in my case to just keep going back into my iPhone and iPad and macs which are not still locked (still waiting on my air). So all my new accounts and passwords and all that effort is in vain cos I keep doing all the work changing everyone only for similar breaches to occur, even if the passcode issue is specifically avoidable a second time by assigning your own passcode first. Needless to say apple won't swap a single device of my 2 x iPhone 5s, 2 x iPads, 2 x airports, 2 x macbook pros, MacBook Air (still locked), 3 x iPhone 4s and the list keeps increasing. *Sigh*