Musings on Segregation of Duties: Are your auditors NP-complete?

Segregation of Duties, also called Separation of duties (SoD) has been in the headlight of public accounting firms since the beginnings of the Sarbanes-Oxley regulations, specifically the 404 section. Wikipedia describes it as: “the concept of having more than one person required to complete a task. It is alternatively called segregation of duties or, in [...]