The idea that the U.S. is building new low-yield nuclear weapons to respond to a cyber attack is “not true,” military leaders told reporters in the runup to the Friday release of the new Nuclear Posture Review.

“The people who say we lowered the threshold for the use of nuclear weapons are saying, ‘but we want these low-yield nuclear weapons so that we can answer a cyber attack because we’re so bad at cyber security.’ That’s just fundamentally not true,” Gen. Paul Selva, vice chairman of the Joints Chiefs of Staff, said Tuesday at a meeting with reporters. Continue reading.