eFax Secure is a cloud faxing solution that provides highly encrypted online faxing for enterprises. It uses 256-bit encryption to securely store faxes in the cloud and notifies users via email when a fax is received, including a URL link to access the encrypted fax. Users must enter their login and password to decrypt and view faxes. eFax Secure helps businesses comply with regulations like HIPAA and SOX by securely transmitting sensitive information over faxes. It is trusted by over 12 million businesses worldwide including half of the Fortune 500.