Subject identifying information in the file header can be encrypted using 128-bit AES encryption in order to comply with HIPAA requirements for patient privacy when transmitting data across an open network.
Legal concerns (e.g., HIPAA, Sarbanes-Oxley, "The Books and Records Rules" in SEC Rule 17a-3/4 and "Design Criteria Standard for Electronic Records Management Software Applications" in DOD 5015.2 in the U.S.) are leading organizations to store information monotonically forever.
In addition to the computer hardware required for patient data storage, distribution and teleconferencing, telepharmacy programs must deploy network security tools and procedures adequate to protect patient medical information in compliance with HIPAA and other patient privacy regulations.