In one embodiment, a device in a network detects an anomaly in the network using an anomaly detector. The anomaly corresponds to an anomalous behavior exhibited by one or more nodes in the network. The device computes an anomaly score for the anomaly that represents a measure of the anomalous behavior. The device adjusts the anomaly score using a boost score. The boost score is generated by a boosting function that accounts for domain-specific biases of the anomaly detector. The device reports the anomaly to a supervisory device based on whether the adjusted anomaly score exceeds a reporting threshold.
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