Nearly 100 countries, including India, have been hit by a massive cyber-attack, which, according to experts, was carried out with the help of "cyber weapons" stolen from the US' National Security Agency. The cyber attack was first reported from Sweden, Britain and France, US media outlets reported. Cyber extortionists tricked victims into opening malicious malware attachments to spam emails that appeared to contain invoices, job offers, security warnings and other legitimate files.
It has been reported that a new ransomware, "Wannacry", is spreading widely. Wannacry encrypts the files on infected Windows systems. This ransomware spreads by using a vulnerability in