What Is Segregation of Duties?
Segregation of duties is a control that divides the steps of a sensitive process among different people or roles so that no individual can complete it alone. For example, the person who writes a change is not the one who approves and deploys it. The split forces collusion or at least multiple participants for any abuse.
Why it matters
Concentrating an entire workflow in one person creates a single point of failure for both mistakes and malicious acts. Separating duties builds checks directly into the process.
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