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  1. Physical computation devices, including CPUs, FPGAs, and GPUs, are integral to cloud computing but face unique security challenges. While cloud infrastructures are pivotal for service delivery, they are susceptible to threats. This paper introduces a novel hardware security framework to bolster cloud infrastructure resilience. Utilizing sidechannel measurements from the power distribution network (PDN), the framework detects anomalies in computational devices. Leveraging Ring Oscillators and Time-to-Digital Converters, we design PDN sensors, further enhancing security with a co-processor for real-time checks based on Neural Network analysis. 
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