The Damn Vulnerable Chemical Process is an open source framework for cyber-physical systems security. Cyber-physical attacks go through several stages before the evil goals can be achieved. Most attackers have no idea about the complete process and how to manipulate it. At Def Con 23, Marina Krotofil, senior security consultant at the European Network for Cyber Security, and Jason Larsen presented Rocking the pocket book: Hacking chemical plants for competition and extortion. An attack on process networks may allow the attacker to obtain sensor readings, to manipulate sensor measurements and instructions sent to controllers.”]
Source: https://www.csoonline.com/article/2968432/cyber-physical-attacks-hacking-a-chemical-plant.html