What is a control? a. Any potential barrier that protects your information from unauthorized access b. Any data source that contains sensitive data c. A user or program that attempts to access data on...

What is a control? a. Any potential barrier that protects your information from unauthorized access b. Any data source that contains sensitive data c. A user or program that attempts to access data on a secure system d. A device for setting the security clearance of data Which of the following are logical controls? (Choose all that apply.) a. Hiring practices b. Encryption c. Walls d. User identification and authentication