Origin

I must say I am no expert of computer. (For example, I have difficulty to understand the difference between computer viruses, worms, and Trojan horses.) Nonetheless, I find the story of infectious diseases of electronic systems intriguing.

It goes like this: Although there are hundreds if not thousands of computer malwares around, the ones that trouble us most are macro virus - and almost all of them target against Microsoft.

Who wrote their coding?

Yes, some of them have their creators identified beyond doubt - but how about the majority of them?

By the way, computer virus attracted much less attention in the past two or three years, partly because Microsoft changed the Office so much, and partly because more of us use tablets rather than laptop computer.

Or, was it because people lost their Job?