|By Gilad Parann-Nissany||
|May 13, 2014 11:08 AM EDT||
At healthcare events throughout the world, we have met many health tech companies who are considering migrating to the cloud, but have serious concerns about protecting electronic protected health Information (e-PHI) and maintaining HIPAA compliance as they virtualize their environments.
We are seeing a serious gap between healthcare companies’ security and compliance needs, and the solutions offered by their cloud providers.
Below, a summary of the questions we are continually asked at shows, events, and meetings with healthcare professionals.
Cloud Computing Security Considerations
Q. What cloud computing security considerations should healthcare companies examine?
HIPAA compliance is comprised of multiple technologies and processes. When it comes to data encryption, securing e-PHI that your company creates, receives, maintains or transmits electronically is critical in infrastructure clouds. Clouds obviously don’t have walls – which is why encryption has become the best practice for creating “mathematical walls” in the cloud.
Since your cloud project will have both servers and data in the cloud, you need a solution that:
- Has an “everything cloud” approach: No “gateways” or hardware required
- Maintains HIPAA/HITECH Compliance
- Ensures data security – going beyond a “check the box” approach
- Is simple, easy to use, flexible, and cost-effective
It is your responsibility to secure your sensitive patient data, to encrypt data at rest and in transit and, importantly, to ensure that only you (not even your cloud provider) control your encryption keys. This is both security common sense and also important from a regulatory point of view.
Q. Is it possible to achieve “safe harbor” in cloud scenarios?
The Secretary of Health and Human Services published guidance on “technologies and methodologies that render protected health information unusable, unreadable, or indecipherable to unauthorized individuals.” The guidance emphasizes that data encryption is not only a best practice for protecting privacy and security – it also provides a safe harbor to the organization in case of data loss.
Q. How is the Porticor cloud encryption solution different?
Porticor did not re-invent the data encryption wheel. We use the strongest industry standards for data encryption like AES. Our system is unique, however, in how it handles the keys to your encrypted data. Porticor is the only system that keeps control of encryption keys in the hands of the end customer while providing a pure cloud model – without any hardware requirements.
With Porticor, once your e-PHI is encrypted, our system splits the encryption key it into two parts (here’s how in 90 seconds). One part stays within our system and one part, the “master key” stays with you at all times. Both parts are required to access your data. With this split-key encryption approach, Porticor ensures that only you control access to your data. Your cloud provider cannot access it, Porticor cannot access it, and hackers cannot access it. Only you control your data. This is what makes the system HIPAA compliant while maintaining the “pure cloud” approach. You can read more about it here.
Q. Does this kind of cloud security slow down performance?
No. We’ve gone to some length to keep performance top notch, by introducing efficient streaming. We also make sure that encryption happens inside your cloud account so there are no latency issues around network hops. You have a choice between a “Virtual Appliance” that you can bring up inside your own cloud account, and an “agent” that you can install on your own.
As a result in some use cases we actually speed you up a bit! Detailed benchmarks are available here.
Q. What does homomorphic encryption mean?
Homomorphic encryption is a technique that enables encrypting data, and keeping it encrypted even if it is used in calculations. As it relates to our system, Porticor homomorphically encrypts your master key before it enters the cloud, and it stays encrypted – never decrypted – when it is used in the cloud. This means your entire project works without anyone knowing your master key – not Porticor, not AWS, no computing element at all. This way, you retain control of your key at all times. Your key is safe even when it is in use in the cloud.
Q. Which companies need Porticor’s cloud security?
If your company or its clients face regulations like HIPAA, PCI DSS, or many others – you need Porticor.
Q. Which clouds are supported by Porticor?
You can use Porticor in any cloud scenario: public clouds (AWS, VMware, IBM, HP, etc.), private clouds (VMware again), or hybrid scenarios.
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