The confidentiality of health information as it is transmitted through electronic portals is protected by:

Answer: Electronic protected health information

Explanation:

Electronic Protected Health Information (e-PHI) : The HIPAA Security Rule protects a subset of information covered by the HIPAA Privacy Rule. This subset of information is referred to as e-PHI. e-PHI is all PHI a covered entity creates, receives, maintains, or transmits in electronic form.