This Technical Report gives guidance on the use of IEC 62443 (all parts) related to those aspects of security threats and vulnerabilities that could influence functional safety implemented and realized by safety-related control systems (SCS) and could lead to the loss of the ability to maintain safe operation of a machine.
NOTE 1 For example, an attack on a machine (safety function) such that it affects the availability of the machine and can result in a safety function being bypassed.
