Why in news?
There was a major technical snag in NSE that forced suspension of equity trading for nearly three hours.
What happened?
What is a cyber-attack?
What are the events of cyber-attacks in India?
What are the recent attacks?
What is the reason for the vulnerable cyber systems?
How cyber issues can be addressed by the government?
Quick facts
Indian Computer Emergency Response Team
Ransomware
Ransomware is a type of malicious software that threatens to publish the victim's data or eternally block access to it unless a ransom is paid.
Source: The Hindu, Business Line