As with years past, errors made by internal staff, especially system administrators, who were the prime actors in over 60% of incidents, represent a significant volume of breaches and records," stated the. "Understand where goofs, gaffes, fat fingers, etc., can affect sensitive data. Track how often incidents related to human error occur. Measure effectiveness of current and future controls, and establish an acceptable level of risk you are willing to live with, because human fallacy is with us to stay.
/2015 Data Breach Investigations Report, Verizon/