Ex-MI5 boss points to rising number of cyber attacks as well as sabotage and covert operations on UK soil

Eliza Manningham-Buller points to extent of cyber-attacks and other hostile activity orchestrated by Moscow

Eliza Manningham-Buller said Moscow's 'extensive' deployment of cyber attacks, intelligence work, 'physical attacks' and 'sabotage' in Britain are tantamount to conflict.