With the world changing rapidly the data and the system that controls the data are also changing. At the beginning of the Internet and WWW, the data used to be stored on one’s personal machine, and it was accessed by only the person owning the device.
But now, with thousands of companies working with millions of employees and billions of terabytes of data, it is necessary to control and monitor who is going to access the data and who is going to made changes in it.