BS EN IEC 62645:2020

1   Scope

   1.1   General 
   This document establishes requirements and provides guidance for the development and
     management of effective computer  security programmes  for I&C programmable digital systems. Inherent to these requirements and guidance
     is the criterion that the power plant I&C programmable digital system  security programme  complies with the applicable country’s requirements. 
   This document defines adequate measures for the prevention of, detection of and reaction
     to malicious acts by digital means ( cyberattacks ) on I&C programmable digital systems. This includes any unsafe situation, equipment
     damage or plant performance degradation that could result from such an act, such as: 
   
      
         
            

— malicious modifications affecting system integrity ;

— malicious interference with information, data or resources that could compromise the delivery of or performance of the required I&C programmable digital functions;

— malicious interference with information, data or resources that could compromise operator displays or lead to loss of management of I&C programmable digital systems;

— mal...