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IT Security Architecture Design

Why the IT Security architecture

You can't build a skyscraper, or an aqueduct, or a road without a project, or a design. An engineer can tell you how your network can be installed and configured, or which protocols use for what tasks. An architect can tell you why a network should be designed in that way and suggest changes based upon your needs. An architect can explain why those protocols make the most sense in your specific circumstances.

A security architect should have the ability to assemble and disassemble pieces of knowledge to/from a whole and provide to the customer implementation and management guidance based on technical activity prioritizations that include evaluation tests and metrics such as those identified in the CISSP Security Controls.

High Level Design

HLD

This is for the HLD requirements

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Low Level Design

LLD

Low Level Design (LLD) is detailing the HLD and defines the actual logic for each and every component of the solution. It's a key document which covers all aspects of the technical design, including features, limitations, configuration, testing and troubleshooting guide. System administrator, IT engineers and service personnels usually need this kind of document which can be produced by technical architects or Subject Matter Experts.
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