“Now that the White House has formally accused Russia of meddling in the presidential election with cutting-edge cyberattacks and age-old information warfare, devising a response might seem fairly easy: unleash the government’s cyberwarriors to give the Kremlin a dose of its own malware. Technologically, that would not be too difficult, American officials say. But as a matter of strategy and politics, formulating the right kind of counterstrike is not that straightforward.”
Source: What Options Does the U.S. Have After Accusing Russia of Hacks? – The New York Times