However, Wannacry has proved less severe than anticipated in Asia
The globalhas affected several computers of a state power distribution company in West Bengal but the central government computer system has largely escaped, officials said on Monday.
State agencies that manage government websites and build supercomputers have installed security patches issued by Microsoft Corp.
Federal Minister Ravi Shankar Prasad told reporters that there was no serious impact on India, with only isolated incidents in parts of Kerala and Andhra Pradesh states, and the government was monitoring the situation.
However, West Bengal Power Minister Sovandev Chattopadhyay told Reuters that several billing centres of the state’s Electricity Distribution Company Ltd (WBSEDCL) had been infected by the ransomware worm.
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“The full extent and magnitude of the problem will be realised by tomorrow,” he said, the situation will be very serious if household electricity consumption data from the central server of the utility could not be retrieved beforehand.
A power department official who did not want to be named said billing for around 800,000 households was affected when the ransomware blocked access to files in the computers.
A senior official at the Federal Ministry of Electronics and Information Technology said its Computer Emergency Response Team was gathering all possible information about the ransomware