InterFAX understands the importance of security for our clients.

That’s why we’ve always made data security a strategic priority across our organization. From TLS/PKI encryption for incoming and outgoing faxes, our unique “Delete Fax After Completion” feature, to authentication via private and public key signatures, InterFAX is committed to offering the highest level of security possible with our fax solution.


    Outbound Encryption


    Inbound Encryption


    TLS Fax Web Service


    Encrypted Fax Confirmation


    Hidden Destination Number


    HIPAA, PHIPA, PCI DSS Level 1 Certified, ISO 27001 Compliant

InterFAX Security

InterFAX is dedicated to meeting the world’s most stringent data security and privacy regulations. We have achieved the coveted ISO 27001 certification and our fax services align with US HIPAA compliance standards. Most significantly, InterFAX is the first and only Internet fax company to offer a fully certified outbound and inbound fax service that is PCI DSS Level 1 Certified .

  • Hide Destination Fax Number

    Add an extra layer of security by hiding the destination fax number from the fax header.

  • User Authentication

    User-based permissions based on user credential authentication.

  • Automatic Fax Removal

    Sensitive messages can be automatically deleted from our servers upon delivery.

  • Audit Trail

    Retrieve a full audit trail of faxes sent and received through our servers.

InterFAX supports the following compliance standards:


Learn more about InterFAX Secure Faxing