Britain and its allies risk losing a conflict in cyberspace against adversaries such as Russia unless citizens, corporations and governments treat cybersecurity with much greater urgency, a U.K. spy chief is warning.

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’