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Information security - Where it all began !!!

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Way back I watched a movie about some robbery, though I do not remember it clearly. In a particular scene where money was being discussed , protagonist says looking at some gold coins in a museum, "This is where it all started". Somehow it ignited the zeal to know the roots of everything and someday wanted to use the same dialogue in real life. Fast forward I got into information security and started digging into the roots of it, when did we , technologically advanced people realize the importance of protecting what's ours ? My research indicated that it started with Y2k. Yes!!! "This is where it all started" Most of the computer programs were written in 1960s , Engineers used last two digits of the year in date format. When the calendar started approaching millennium users started noticing the flaw in systems. Financial sector happened to be the first industry to report as the interest rates and amounts are date dependent .Soon powerplants followed the suite as