Zero Days covers the phenomenon surrounding the Stuxnet computer virus and the development of the malware software known as "Olympic Games." It concludes with discussion over follow-up cyber plan Nitro Zeus and the Iran Nuclear Deal.
Review aggregator Rotten Tomatoes collected 66 reviews as of May 6, 2017, of which 91% were positive. The site's consensus states: "Factors beyond Gibney's control prevent Zero Days from offering a comprehensive look at its subject, but the partial picture that emerges remains as frightening as it is impossible to ignore."[4]Metacritic gave the film a score of 77/100 based on 23 critics.[5]
Writing for RogerEbert.com, Godfrey Cheshire praised Zero Days as "Easily the most important film anyone has released this year, it is a documentary that deserves to be seen by every sentient citizen of this country—and indeed the world."[6]
Zero Days was released digitally on Amazon Video and iTunes on December 6, 2016, broadcast on BBC Four in the Storyville strand in the UK on January 16, 2017, and DVD on January 17, 2017.[11]