Aphid: Anomaly Processor in Hardware for Intrusion Detection

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Focusing on intrusion detection, APHID introduces a co-processing mechanism that utilizes small, fast hardware primitives to offload security tasks from the main CPU. These primitives access critical processor state information, allowing APHID to identify anomalous actions within one clock cycle. Upon detection, it can either correct or halt the processor's operation. Additionally, APHID enhances system resilience against attacks like Distributed Denial of Service and buffer overflow, offering agile monitoring capabilities that adapt to context switches for targeted security coverage.