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A transmission security framework for email-based telemedicine.

Liam J Caffery1, Anthony C Smith

  • 1The University of Queensland, Centre for Online Health, Royal Children's Hospital, Herston, Queensland, Australia. l.caffery@uq.edu.au

Studies in Health Technology and Informatics
|December 31, 2010
PubMed
Summary

Choosing the right email encryption for telemedicine involves considering user risk perception, identification, email client, and technical resources. A new decision model helps select between public key infrastructure (PKI) and secure hypertext transfer protocol (HTTPS) for secure patient communication.

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Area of Science:

  • Health Informatics
  • Cybersecurity in Healthcare
  • Telemedicine Communication

Background:

  • Email encryption is crucial for patient privacy during internet transmission.
  • Public Key Infrastructure (PKI) and secure hypertext transfer protocol (HTTPS) are primary encryption methods with varying pros and cons.
  • Selecting the optimal encryption method for telemedicine is complex due to factors like viability, cost, usability, and compliance.

Purpose of the Study:

  • To develop an instrument for identifying the most appropriate email encryption method for telemedicine.
  • To provide a decision support model for selecting between PKI and HTTPS for secure telemedicine email communication.

Main Methods:

  • A multi-method approach was employed to construct the decision support instrument.
  • Analysis included technical assessments and a review of existing knowledge on PKI utility.
  • Survey data from users of Queensland Health's Child and Youth Mental Health Service secure web-mail were incorporated.

Main Results:

  • The developed decision support model identified key factors influencing encryption technology choice.
  • Critical factors include correspondent's risk perception, identification to security, email client used, tolerance for human error, and available technical resources.
  • A flowchart-based decision support model was created to guide encryption selection for specific telemedicine services.

Conclusions:

  • The study provides a structured approach to selecting appropriate email encryption for telemedicine.
  • The decision support model aids in balancing security needs with practical implementation challenges.
  • Effective encryption choice is vital for maintaining patient privacy and secure data exchange in telemedicine.