Power BI development company ensure data security by implementing role-based access control (RBAC), row-level security (RLS), and adhering to strict data governance policies. They encrypt data in transit and at rest and set up secure gateways for on-premise data sources. Additionally, they ensure that Power BI reports comply with industry standards like GDPR, HIPAA, or ISO standards, depending on the business. Developers also audit and monitor usage to prevent unauthorized access and ensure compliance. By working with internal IT teams, these companies ensure that data security protocols are maintained and regularly updated.