eFax has stated that it enables HIPAA compliance if users have an enterprise eFax Corporate solution and a signed Business Associate Agreement (BAA).
eFax is an electronic faxing solution that uses advanced security protocols to make sure ePHI is secure both during transmission and in storage. eFax is known as one of the most secure online fax providers.
eFax uses unique user identification and 256-bit SSL encryption to ensure secure document transmission and keep ePHI safe from unauthorized access. eFax also offers secure transport layer security (TLS) encryption protocol, administration privileges to limit access to ePHI, and multilevel audit controls, including secure and automatic fax archiving. Fax transmissions are stored on the eFax cloud and kept safe in Tier III secure servers.