These procedures can be derived from IEC 62443 for manufacturers, operators and system planners
"The IEC 62443 standard is a holistic approach to industrial security in the automation sector. ... In Part 2, you will receive an overview of the procedures that are implicit for the three basic roles of integrator, manufacturer and operator. We also take a critical look at the advantages and disadvantages of the current version." - www.sichere-industrie.de