An organization has hired contractors to assist in the development of a new product scheduled to launch by the end of the year due to budgetary and security concerns, the contractors are only able to work and access organizational resources between the times of 8: 00 am and 6: 00 pm. the contractors possess the same authorization and access as the organization's internal developers, which of the following authorization methods should implement to ensure the organization meets the budgetary and security concerns?
a) separation of duties
b) rule based access control
c) mac
d) dac
e) least privilege