The NotPetya cyber-attack that rendered most of AP Moller-Maersk's IT systems useless for weeks in mid-2017 may have actually made the shipping giant a better company.

With this modern infrastructure, we are in fact moving towards cyber security as a competitive advantage

Mikkel Elbek Linnet

The Danish shipping conglomerate says a $300m revamp of its entire IT infrastructure in the wake of the digital onslaught has made it so secure that it now has the upper hand on its rivals.