An HR ethics column identifying five common sources of HR confidentiality breaches in Thai organizations: executives, drivers, secretaries, HR staff themselves, and IT departments. The author emphasizes that protecting HR secrets (salary reviews, promotions, investigations, restructuring) is a core professional obligation, acknowledges that leaks do happen, and suggests some breaches are preventable (IT access, internal controls) while others require diplomatic feedback to leadership—a useful reference for HR professionals managing confidentiality in Thai workplaces.