Another example of the insider committing fraud, Verizon System Admin managed to take advantage of a scheme to keep critical infrastructure up to date.
http://www.fbi.gov/atlanta/press-releases/2012/former-verizon-wireless-network-engineer-sentenced-to-federal-prison-for-multi-million-dollar-fraud-scheme
Controls such as segregation of duties, supervision to prevent fraud where not rigorously in place, there should be systems in place whereby no single person has responsibility for payments and adequate controls are in place to guard against fraud, such controls require regular reviews of internal systems.
When it comes to preventing insider fraud, organizations would do well to more closely monitor experienced, mid-level employees with years on the job, according to a new study conducted by the CERT Insider Threat Centre of Carnegie Mellon University's Software Engineering Institute in collaboration with U.S. Secret Service.
The study found that, on average, insiders are on the job for more than five years before they start committing fraud and that it takes nearly three years for their employers to detect their crimes.
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