is not hacked... dev unlock is not hack you guys believe in anything... only dev unlock is possible... interop or full unlock is impossible because unbreakable bootloader on Lumia... only way is JTAG option but for most of people this is not option or possible
Given the nature of the windows phone OS and the way it restricts applications, documents and related items access to its core software features and functionality, it is highly unlikely that your phone has been hacked.