Thwarting Nonintrusive Occupancy Detection Attacks from Smart Meters

Table 1

Performance of threshold-based attacks on raw smart meter data compared with 6 KWh battery-modified data.

Attack	Data type	TP	TN	FP	FN	TP + FP
Threshold	Original	59.73%	23.80%	1.58%	14.89%	61.31%
	BPOD	78.73%	1.90%	18.22%	0.49%	96.95%
SVM	Original	67.77%	10.47%	12.5%	9.18%	80.35%
	BPOD	71.54%	4.65%	18.17%	5.64%	89.71%
KNN	Original	61.17%	17.19%	7.64%	14.0%	68.81%
	BPOD	69.28%	4.89%	18.94%	6.89%	88.22%
HMM	Original	57.03%	21.12%	2.1%	19.76%	59.13%
	BPOD	76.78%	7.7%	14.51%	5.17%	91.29%