Russian Federal Security Service (FSB) Director Alexander Bortnikov

Russian Federal Security Service (FSB) Director Alexander Bortnikov

Russian Federal Security Service (FSB) Director Alexander Bortnikov waits for a meeting of the Pobeda (Victory) Organizing Committee at the Kremlin in Moscow, Russia December 11, 2019. Pavel Golovkin/Pool via REUTERS/Files

Russian security chief says Moscow will cooperate with US against hackers - report