Research the best practices for ensuring database security controls for confidentiality and address the following questions in your discussion post:
What are the primary challenges organizations face in maintaining confidentiality within their databases, and what are the implications for data protection? Can you share an example of a security incident that occurred due to insufficient confidentiality measures in database management? What strategies can be employed to enhance encryption practices and access controls to safeguard confidential information? How does compliance with regulatory frameworks and the conducting of regular security assessments enhance the confidentiality of database systems?