UNITED NATIONS — A Google executive warned the U.N. Security Council Tuesday that cyberattacks, disinformation and other forms of information warfare being waged in Ukraine are a “crystal ball” for future problems elsewhere. “States must find a way to turn the volume down and settle on some kind of deterrence doctrine for the cyber domain,” Jared Cohen said at a council meeting on hate speech, incitement and atrocities in Ukraine. Read More: The Leadership Brief: U.S.