US intelligence agencies increasingly see the younger bin Laden as a successor to his father for the mantle of global jihad, especially as the even more extreme IS group is confined only to Syria.
Coats in his written statement also warn of a strained India-Pakistan relationship at least till May.
US intelligence agencies now believe that Russia would again try to interfere the mid-term polls this year and also the 2020 presidential elections.
William Evanina, Director of the National Counterintelligence and Security Center, said that in Russia, even people who believe they are too unimportant to be hacked can be targeted.
US intelligence chiefs have told congress Russia meddled in the election, but Putin has repeatedly denied any Russian involvement.
American democracy is under assault on separate fronts from President Donald Trump and Russia, the former U.S. intelligence chief warned.
US-led forces have been fighting in Afghanistan for almost 16 years, making it America's longest war, yet the situation there remains a stalemate.