Which operations security control prevents unauthorized intruders from internally or externally accessing the system and lowers the amount and impact of unintentional errors that are entering the system?

The correct answer is Preventative controls.

Explanation:

Preventive Controls: Anticipate unwanted events before they happen.

They are more profitable They must be incorporated into the systems Avoid correction or reprocessing costs

Example: Security software that prevents access to unauthorized personnel, to try to prevent the production of errors or fraudulent events.