Power BI Development Services enhance data security by implementing robust access controls, such as role-level security (RLS), to restrict data visibility based on user roles. Developers configure encryption for data in transit and at rest, ensuring sensitive information is protected. Multi-factor authentication (MFA) is often integrated for secure user access. Additionally, audit logs and usage tracking provide transparency and accountability for report interactions. By aligning development practices with industry standards and compliance requirements, Power BI development services ensure that businesses can confidently leverage analytics while safeguarding their data assets.