An Unprecedented Look at Stuxnet, the World's First Digital Weapon topic

What do you think were the means used to discover the firms setting up the Natanz facility and how they were infiltrated to infect their equipment with several versions of the malware?

How do you think Stuxnet managed to infect an air$-$gapped control network?

Stuxnet is otherwise known in some circles as a cyber$-$sniper's weapon, why do you think so$?$

How would you prevent attacks of this nature from ever happening again?