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Risk Analysis

Risk Analysis:

A risk is a potential for loss or damage to an Organization from materialized threats. Risk Analysis attempts to identify all the risks and then quantify the severity of the risks.A threat as we have seen is a possible damaging event. If it occurs, it exploits vulnerability in the security of a computer based system.

Risk Identification:

1. Software Risks: Knowledge of the most common risks associated with Software development, and the platform you are working on.

2. Business Risks: Most common risks associated with the business using the Software

3. Testing Risks: Knowledge of the most common risks associated with Software Testing for the platform you are working on, tools being used, and test methods being applied.

4. Premature Release Risk: Ability to determine the risk associated with releasing unsatisfactory or untested Software Prodicts.

5. Risk Methods: Strategies and approaches for identifying risks or problems associated with implementing and operating information technology, products and process; assessing their likelihood, and initiating strategies to test those risks.

Traceability means that you would like to be able to trace back and forth how and where any workproduct fulfills the directions of the preceeding (source-) product. The matrix deals with the where, while the how you have to do yourself, once you know the where.

Take e.g. the Requirement of UserFriendliness (UF). Since UF is a complex concept, it is not solved by just one design-solution and it is not solved by one line of code. Many partial design-solutions may contribute to this Requirement and many groups of lines of code may contribute to it.

A Requirements-Design Traceability Matrix puts on one side (e.g. left) the sub-requirements that together are supposed to solve the UF requirement, along with other (sub-)requirements. On the other side (e.g. top) you specify all design solutions. Now you can connect on the crosspoints of the matrix, which design solutions solve (more, or less) any requirement. If a design solution does not solve any requirement, it should be deleted, as it is of no value.

Having this matrix, you can check whether any requirement has at least one design solution and by checking the solution(s) you may see whether the requirement is sufficiently solved by this (or the set of) connected design(s).

If you have to change any requirement, you can see which designs are affected. And if you change any design, you can check which requirements may be affected and see what the impact is.

In a Design-Code Traceability Matrix you can do the same to keep trace of how and which code solves a particular design and how changes in design or code affect each other.

Demonstrates that the implemented system meets the user requirements.

Serves as a single source for tracking purposes.

Identifies gaps in the design and testing.

Prevents delays in the project timeline, which can be brought about by having to backtrack to fill the gaps

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