WannaCry: What is a Ransomware and how does it work?

A ransomware is a software which scrambles information stored on a computer system to make it inaccessible. The process of scrambling is done through known methods of encryption. The purpose is to then ask for an amount of money to decrypt valuable information.

So how does ransomware work?

How does it get through?

Imagine you hired the best architects and got a palace built for your yourself. Little known to you or the architects, there exists a weak wall near your garage. This can be broken by application of minimal force and people can get in through that and steal your expensive car. They can also disrupt your telephone and gas lines to cause you further harm. Or worse even, plant a bomb below your bedroom. Scary isn’t it?

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