risks. #explore: What does the term Security4Safety, S4S in short, actually mean? Ulf Theike: Security4Safety is the overall heading for the continued d ... Independent third-party testing must remain an integral part of systems safety, even in the digital age. #explore: So security issues are quickly going ... combining classical knowledge in the field of product, operational and plant safety with the new, digital requirements on IT security. Here I can see some very