Russian hackers targeted UK media and telecoms firms, confirms spy chief

Head of the UK's National Cyber Security Centre says Russia is 'seeking to undermine the international system'

Russian hackers attacked British media, telecoms and energy companies over the last year, the head of the UK's National Cyber Security Centre has confirmed for the first time.

Ciaran Martin, the founding chief executive of the NCSC, declined to provide any further details of the attacks.