"Darfur also provides the unique opportunity for donors and development program managers to deal with some of the most pressing global issues - like globalization,desertification, water management and climate change - in a holistic way and manner."
VOA: standard.2010.03.21
Chief among these are that access rights should be reviewed in conjunction with business managers at some regular interval (quarterly or monthly, depending on your risk disposition), anytime someone undergoes a significant role transfer within a firm, and most importantly when someone leaves a firm.