Cyber security and environmental issues have emerged as the biggest risk factors global businesses face in the year ahead, according to a survey of industry figures published ahead of the Davos forum next week.

Business leaders believe 2017’s surge in serious cyber attacks and the record cost of natural disasters is a trend that is likely to continue.

Last year, AP Moller-Maersk was hit by the NotPetya cyber attack that cost it $250m-300m, and shipbroker Clarksons called in police after a cyber security breach.