Ensuring Patient Data Security

A nurse is responsible for maintaining patient confidentiality and information security in the healthcare setting. During a morning shift, the nurse notices that sensitive patient information is displayed on a shared computer screen that has not been securely logged out. To address this violation and ensure compliance with HIPAA regulations related to patient data privacy, the nurse must take immediate action. What specific step should the nurse take to uphold the principle of confidentiality in this scenario? The nurse must ensure that the computer screen is _____.