1.2. Applying Systems Analysis to Information Technology
Now that we've covered the general theory of systems analysis, let's apply it to IT systems specifically. This approach might seem like unnecessary repetition, but it's actually an attempt to reinforce important concepts while adding details that are specific to issues you'll face in dealing with security.
When you begin to analyze your network (in preparation to secure it), you'll actually break it down into four general areas:
Data
The nature of the information stored and processed on the system
Technology
The different types of technology used in the system
Organization
How the organization as a whole uses the system
Individuals
Key decision makers and personalities that use the system ...
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