Keast-Butler singled out Russia as a threat, accusing Moscow of “relentlessly targeting critical infrastructure, democratic processes, supply chains and public trust” in Britain and Europe.

Spy chief Anne Keast-Butler will set out the dangers Russia poses, as the country is 'scaling up its daily hybrid activity against the UK'

Anne Keast-Butler will also warn of narrowing window to stay ahead of China in ‘new era of radical uncertainty’