What security refers to controlling access to PHI through?

Security in the context of Protected Health Information (PHI) refers to the measures and protocols put in place to prevent unauthorized access to sensitive health data. This includes implementing physical, administrative, and technical safeguards such as encryption, access controls, and user authentication. These security measures ensure that only authorized personnel can access PHI, thus protecting patient privacy and maintaining compliance with regulations like HIPAA. Ultimately, the goal is to safeguard patient information from breaches and mishandling.