The CIA (Certified Internal Auditor) designation is the only globally accepted designation for internal auditors. Anyone can study to become a CIA, but several prerequisites must be fulfilled. If you are considering becoming a CIA, you first need to make sure you are eligible for that qualification. Becoming a Certified Internal Auditor (CIA) is a great way to enhance your auditing career. The benefits of earning the CIA certification include increased job opportunities, earning potential, and respect, but before you receive these advantages, you must meet the requirements established by The Institute of Internal Auditors (IIA).