Power BI development companies prioritize data security through row-level security (RLS), which restricts data access based on user roles. They configure role-based permissions within Power BI workspaces and integrate with Azure Active Directory for secure authentication. Data is encrypted both at rest and in transit to safeguard sensitive information. Power BI development company follow compliance standards, such as GDPR or HIPAA, ensuring data governance policies are in place. They also implement data masking for sensitive fields and monitor access through audit logs. These measures protect organizational data, maintain compliance, and instill trust in analytics solutions across industries.