Why increasing the investments in server monitoring is so important contemporarily for majority of corporations?

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At present we exist in an era, in which a major role is played by the information. Everyone of us wants to know as much as possible, sometimes for some skills or data we are likely to pay much money. Besides, there are people, who are responsible for organizing the data as well as analyzing them in order to achieve as high profits as possible. Thus, we ought to also not forget that inter alia concerning having a website of our company, there is a risk that somebody from outside would be keen on acquiring our data.