Strategy for distributed controller defence: Leveraging controller roles and control support groups to maintain or regain control in cyber-adversarial power systems. - Shamina Hossain-McKenzie; Kaushik Raghunath; Katherine R. Davis 001; Sriharsha Etigowni; Saman A. Zonouz (IET Cyper-Phys. Syst.: Theory & Appl., 2021)