Fig. 1From: On specification-based cyber-attack detection in smart gridsIllustration of the SG infrastructure based on the Purdue reference model, representing a future-oriented SCADA system that is connected to the primary equipment via dedicated and/or public communication infrastructure (van der Velde et al. 2021). The right side represents the graph-based formalism of the infrastructure as a SB (Klaer et al. 2020)Back to article page