The Pentagon ... plans to issue a new strategy soon declaring that a computer attack from a foreign nation can be considered an act of war that may result in a military response. The new military strategy ... makes explicit that a cyberattack could be considered equivalent to a more traditional act of war. The policy ... says nothing about how the United States might respond to a cyberattack from a terrorist group or other nonstate actor. Nor does it establish a threshold for what level of cyberattack merits a military response. In the case of a cyberattack, the origin of the attack is almost always unclear, as it was in 2010 when a sophisticated attack was made on Google and its computer servers. Eventually Google concluded that the attack came from China. But American officials never publicly identified the country where it originated, much less whether it was state sanctioned or the action of a group of hackers.