The 5-why technique

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The Six Sigma DMAIC (Define, Measure, Analyze, Improve, and Control) methodology is examined using the 5-why technique. Estola (2011) claims that the method does not require regression, data segmentation, or hypothesis testing to determine the root cause of a specific issue within an organization. The researcher can uncover the layers of symptoms that lead to the crises' root cause by continually asking "why." The answer to the first "why" inquiry frequently leads the investigator to the answer to a subsequent one. The method is employed to determine the cause of an issue and to examine the relationships among the elements that contribute to a specific problem. Last but not least, the technique can be applied quickly without planning beforehand. The objective of this paper is to investigate the cause of a particular security breach to remove the blame from the staff.

Using the Technique to Investigate the Potential Cause of Security Breach

The first step is defining the issue. Problem statement: there are drawbacks in processes and management systems causing a security breach. These are the following why questions for this case:

Why are there security breaches? Because the security agents do their work improperly. Why do the security agents do their work improperly? Because the security supervisors are not engaging them on matters of their concern. Why are security supervisors not engaging the security team to discuss matters? Because the management has deployed security supervisor to the sales department. Why did the management transfer the security chiefs to the sales department? Because the CEO thought sales were more important than the security. Why did the CEO think sales were important than the security? Because some workers have resigned citing poor working conditions.

In this case, the five-why technique established that the watchmen are not to blame for the insecurity cases witnessed in the company.


Estola, M. (2011). Marine safety: tools for risk-based decision making. Rockville, MD: Government Institutes, ABS Consulting.

March 15, 2023

Science Economics

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