Transmission Security
164.312(e)
Technical Safeguards
Critical Risk
Moderate
Implement technical security measures to guard against unauthorized access to ePHI that is being transmitted over an electronic communications network.
Implementation Guidance
Implement integrity controls and encryption for ePHI transmission over electronic communications networks.
NIST References
NIST SP 800-66 Rev. 2: Section 3.3.5
Best Practices
Encrypt all ePHI transmission, implement integrity controls, use secure protocols, regular security reviews.
Testing Procedures
Review transmission security policies, test encryption implementation, verify integrity controls, test secure protocols.
Frequently Asked Questions
Q: What encryption is required for transmission? A: Encryption should be appropriate to the risk level and may include TLS, VPN, or other secure transmission methods.
Control Information
Control ID:
164.312(e)
164.312(e)
Category:
Technical Safeguards
Technical Safeguards
Subcategory:
Transmission Security
Transmission Security
Risk Level:
Critical
Critical
Implementation Difficulty:
Moderate
Moderate
Estimated Cost:
Medium
Medium
Implementation Timeframe:
2-4 months
2-4 months
Views:
3
3
Last Updated:
Oct 1, 2025
Oct 1, 2025
Related Controls
Additional Resources
NIST SP 800-66 Rev. 2: Transmission Security Guidance, HHS Transmission Security Guidance, Encryption Best Practices