Cloud-based SCADA Systems: Cyber Security Considerations and Future Challenges

In this paper, we first describe basic operation principles of SCADA system, and analyze migration strategies of such systems to public, private or hybrid cloud infrastructure. Further, special attention is dedicated to the cloud service selection as well as to the analysis of benefits and risks of cloud-based SCADA applications. Finally, we address security threats in cloud environment and present challenges in security provisioning regarding security solutions, risk management and test environment.

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