Things to do to protect from WannaCry Ransomware Threat

What is Ransomware?
Ransomware is a malicious software that encrypts the files and locks device, such as a computer, tablet or smartphone and then demands a ransom to unlock it. Recently, a dangerous ransomware named 'Wannacry' has been affecting the computers worldwide creating the biggest ransomware attack the world has ever seen, including India.

What is WannaCry Ransomware?