A large organization is considering a policy that would allow employees to bring their own smartphones into the organizational environment. The MOST important concern to the information security manager should be the:

A. higher costs in supporting end users

B. impact on network capacity

C. decrease in end user productivity

D. lack of a device management solution

Reference https://www.isaca.org/Journal/archives/2013/Volume-4/Pages/Leveraging-and-Securing-the-Bring-Your-Own-Device-and-Technology-Approach.aspx