Insurance companies would probably have to shell out over $80bn as a result of the attack, warned one survey – more than 2012's Hurricane Sandy. Shipping giant Maersk said it had lost $300m as a result of the ransomware; FedEx said it has lost the same.

The Register

Is a massive, destructive cyberattack an "act of war"? What if it is perpetrated by or directed by a government?