This knowledge then allows the officer embezzler to create loans and lines of credit for associates. Employees frequently exceed the scope of their position descriptions and levels of authority, and assume by default more responsibilities than they are authorized to exercise. If such an employee causes a loss, or embezzles, it is difficult to assess responsibility for results. Employees frequently share keys, particularly both keys in a dual custody set, because it is more convenient than constantly locating the person who has custody of the other key. This also allows employees to manufacture unauthorized duplicate keys.
Employees also share combinations in the same manner.
Security and alarm codes and passwords are routinely shared for convenience, and are changed infrequently. Institutions are not always successful in retrieving keys and other access devices from employees who terminate employment. Keys, access codes and devices, and passwords are not always changed when an employee terminates employment. Cash-handling employees often store and collect containers of cash and negotiable documents within their assigned cash vault areas without supervision or the presence of another control employee. Night drop and ATM facilities are also often reconciled in single custody.