Generally Accepted System Security Principles
P-14 Separation of Duty Principle
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Responsibilities and privileges should be allocated in such a way
that prevents an individual or a small group of collaborating
individuals from inappropriately controlling multiple key aspects of a
process and causing unacceptable harm or loss.
This principle applies to many control circumstances. Segregation
can help to preserve the integrity, availability, and confidentiality of
information assets by minimizing opportunities for security incidents,
outages, and personnel problems.