Recent attacks on energy sector targets suggest Dragonfly group has access to computers that control operational systems.
Article Link: https://www.darkreading.com/attacks-breaches/dragonfly-apt-now-able-to-disrupt-us-power-grid-operations-symantec-warns/d/d-id/1329814?_mc=rss_x_drr_edt_aud_dr_x_x-rss-simple