Dimension Reduction Technique Based on Supervised Autoencoder for Intrusion Detection of Industrial Control Systems

Table 2

Event types and class labels.

Event type	Description	Labels
Normal event	Normal operation	41
Natural events	SLG faults	1–6
	Line maintenance	13–14
Attack events	Data injection	7–12
	Remote tripping command injection	15–20
	Relay setting change	21–30, 35–40