During the second week of March 2012 , a Dell Vostro notebook , used by Supervisor Special Agent Christopher K. Stangl from FBI Regional Cyber Action Team and New York FBI Office Evidence Response Team was breached using the AtomicReferenceArray vulnerability on Java , during the shell session some files were downloaded from his Desktop folder one of them with the name of " NCFTA_iOS_devices_intel.csv " turned to be a list of 12,367,232 Apple iOS devices including Unique Device Identifiers ( UDID ) , user names , name of device , type of device , Apple Push Notification Service tokens , zipcodes , cellphone numbers , addresses , etc . the personal details fields referring to people appears many times empty leaving the whole list incompleted on many parts . no other file on the same folder makes mention about this list or its purpose . ;