This book addresses the security of FPGA-accelerated cloud computing environments. It presents a comprehensive review of the state-of-the-art in security threats and defenses. The book further presents design principles to help in the evaluation and design of cloud-based FPGA deployments which are secure from information leaks and potential attacks. Describes security threats of deploying FPGAs in cloud computing datacenters - and how to protect against them; Provides an overview of various security attacks of which cloud providers should be aware; Discusses defenses that can be deployed at system and hardware levels; Teaches readers about principles for securing cloud-based FPGAs.