NATO's senior expert on cyber and hybrid threats said last year that persistent attacks on undersea cables across Europe is "the most active threat" to Western infrastructure.
He predicted Ukraine's leaders will be 'too proud' to accept the necessary concessions to Putin after Western powers spent years telling them their fight is 'incredibly just'.
Despite Moscow 's sabre-rattling rhetoric, the Kremlin does not have the military capability to win against the Western alliance, as anonymous NATO official said