How to verify MD5 or SHA1 checksum of file on Windows Computer?

When we download files from the internet or copy from one source to another destination, the file may not be exactly the same as the source or in other words, the file may have being corrupted in transit. So there is a need to check the integrity of the file. That is where verification of hash is required. Let's see "How to verify MD5 or SHA1 checksum on Windows Computer?"

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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? 

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