Direct Secure Messaging (DSM) is a secure, HIPAA-compliant email service in which all the other users of DSM have agreed to the same level of authentication, trust and interoperability. The DirectTrust Accredited community is committed to the highest level of security, privacy and interoperability. DSM takes care of all the trust management, encryption and decryption on the backend so all you have to do is compose an email and hit “send”.