US
Marcus Hutchins was arrested after being indicted on charges of creating malware to attack banks
Economic costs of the attack could dwarf the $8 billion global cost of the 'WannaCry' ransomware attack
Waves of attacks had been launched via software updates of the M.E.Doc accounting software since April
The attack used a virus that took down thousands of computers in dozens of countries
Initial infections were spread via a malicious update issued by M.E.Doc
The computer virus wreaked havoc on firms in more than 60 countries
Operations at Jawaharlal Nehru Port disrupted by global ransomware attack
Foreign firms worried about the cybersecurity law's impact on business in the world's second largest economy
Flaw in widely used networking software leaves tens of thousands of computers potentially vulnerable to the attack
Up to 300,000 computers in 150 countries were hit by the WannaCry worm