The first thing you should do once you have a new router up and running is change the default password, which is static and well-known across the Internet. The same advice, similarly, would apply to any mobile...

iOS hotspot password screen



via Examiner National Edition Gadgets & Tech Channel Articles http://www.examiner.com/article/researchers-can-crack-ios-generated-hotspot-keys-under-a-minute?cid=roadrunner