by most accounts, it was a joint effort. https://arstechnica.com/tech-policy/2012/06/confirmed-us-israel-created-stuxnet-lost-control-of-it/ https://arstechnica

by most accounts, it was a joint effort. https://arstechnica.com/tech-policy/2012/06/confirmed-us-israel-created-stuxnet-lost-control-of-it/ https://arstechnica.com/tech-policy/2012/06/confirmed-us-isr... and https://www.washingtonpost.com/world/national-security/stuxnet-was-work-of-us-and-israeli-experts-officials-say/2012/06/01/gJQAlnEy6U_story.html https://www.washingtonpost.com/world/national-security/stuxn...