It is said the Great Wall of China, built to keep invaders out of the kingdom, was effective until the invaders bribed the gate-keepers. These days, the biggest risk for insider fraud also emanates from those supposedly guarding a territory – the system administrators and other privileged users who wield the keys to a company’s IT.

Making matters even more interesting is the fact that privileged users with sweeping IT access are often third-party contractors, called in at busy times to relieve operational overload, or engaged to provide expertise the company needs for a limited period.