There is a Western world. There is America. There is Great Britain and Germany and France and Russia and China and other nations. I doubt that there is one country amongst those I mentioned which has a desire to see Iran with its fundamentalist Islamic extremist government possessing nuclear weapons.
It was used for decades to describe talented computer enthusiasts people whose skill at using computers to solve technical problems and puzzles was - and is - respected and admired by others possessing similar technical skills.