Where can a HIPAA security officer find information regarding required areas of securing e-PHI?

The most appropriate source for a HIPAA security officer seeking information on securing electronic Protected Health Information (e-PHI) is the Department of Health and Human Services (HHS) website. HHS oversees the administration of the HIPAA regulations and provides comprehensive guidance on the security rule, which includes standards for protecting e-PHI.

The HHS website contains detailed information about compliance requirements, best practices, and resources available to help organizations implement effective security measures. It also includes frequently asked questions, guidance documents, and links to relevant regulations that are essential for a security officer tasked with ensuring HIPAA compliance.

The other sources listed, while they may offer health-related information, do not specifically focus on the regulatory framework and security standards mandated by HIPAA. The National Health Service is a UK-based organization and does not govern U.S. regulations. The Centers for Medicare and Medicaid Services focuses more on healthcare programs and payment systems rather than directly providing security guidance. The State Department of Health may have localized resources and regulations, but it would not encompass the federal level requirements laid out by HIPAA.