Theprimary goal of corrective controls in financial systems is to ensure that errors do not propagate across interconnected systems. Financial transactions are ofteninterdependent, meaning one incorrect or unauthorized change can affect multiple systems. Regulations often mandate these controls tomaintain accuracy and prevent cascading failures. * A (insider threats altering banking details)is a concern, but thisscenario focuses on corrective controls, not insider threats specifically. * C (business insurance)is unrelated to why corrective controls are implemented. * D (preventing unauthorized changes)falls underpreventive, notcorrectivecontrols.