GhostSec claimed they "encrypted the first RTU in history". It's well known in the ICSsec world that on many PLCs or RTUs you can upload your own firmware or logic, as well as get root on the OS. Encryption is just a choice of what to do with this easily achieved access. The poc's on lateral movement in level 1 and physical damage are much more important and interesting.
Disappointed by the current state of the world. Look at this short video for huge improvements in child mortality, life expectancy, women's education, drinkable water, & more over the last century.
Cyber-Attack Recovery in only 30 Seconds! Salvador Technologies provides solutions for operational continuity for ICS & OT systems, that minimize downtime and enable an ideal RTO for critical assets. For HMI, SCADA, BMS, and other critical computer systems based on Windows.