[:en][vc_row][vc_column][vc_column_text]Both IEC 61508 and ISO 26262 highly recommend a modular approach to software development. One question that comes up regularly asks if there are quantitative targets for determining whether sufficient progress has been achieved by software engineers. IEC 61508-3 Table B.9 Modular approach ISO 26262-6 Table 1 Topics to be covered by modelling and coding […]
[:en][vc_row][vc_column][vc_column_text]If you’re a manager in the process industries then you should be familiar with the concept of Functional Safety and the need to have well defined processes and procedures in place. If not, then how else will you be able to ensure that your Safety Instrumented System and plant is operating safely. Plant Managers rely […]
What is Route 2H approach and what requirements exida established to interpret Route 2H for certification? An element (e.g. a sensor) is able to meet the requirement of hardware safety integrity architectural constraints in IEC 61508 by implementing one of the two possible routes (IEC 61508-2, 7.4.4): 1H, by looking at Safe Failure Fraction (SFF) […]
As mentioned in the previous blog, IEC 62443-2-1 specifies the requirement of the Cyber Security Management System for IACS which the asset owner can build on. For example, one of the CSMS elements, “selected security countermeasures”, provides useful information to the asset owner on understanding some common security countermeasures used in the systems, whose security […]
An asset owner is defined in IEC 62443-2-4 as following: “individual or organization responsible for one or more IACSs”. Similar to quality management system, the requirement for the Security Management System of the asset owner is described in IEC 62443-2-1, which shows how the risk is analysed and addressed by the Cyber Security Management System […]
[:en][vc_row][vc_column][vc_column_text]It’s hard to believe that it’s been 10 years since the Deepwater Horizon incident on April 20th 2010. Even today, the Gulf Coast is still feeling the effects. In its latest estimates, BP is looking at a total loss of $65Bn USD, in settlements, fines and compensation. This latest estimate was published in the Maritime […]