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Cyberattacks on Iranian nuclear program were a US-Israel effort started under the Bush administration and continued by President Obama, The New York Times reports.

The confirmation from Obama-administration officials that Stuxnet was a joint US-operation comes from extracts from a forthcoming book, Confront and Conceal: Obama's Secret Wars and Surprising Use of American Power, by David Sanger that's due to be published next week.
I guess the term "State Secrets" no longer applies to the USA.