Chapter 11. Securing Infrastructure Roles

The first computers were all-purpose megaliths. They were used for every approved computing purpose within an organization. “Approved” is the operative word here. It was sometimes difficult to get new applications approved, and once approved, a new application could take years to develop and implement. As computing needs grew, specialized systems were adopted: a payroll system, financials, inventory control. Many of these systems were installed outside of the official data center. Computers as functional units, as role-fulfilling parts of the greater computational whole became the norm. Today, some organizations still attempt to use one computer for all things; these organizations are large and should ...

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