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Software safety (sometimes called software system safety) is an engineering discipline that aims to ensure that software, which is used in safety-related systems (i.e. safety-related software), does not contribute to any hazards such a system might pose. There are numerous standards that govern the way how safety-related software should be ...
Software assurance (SwA) is a critical process in software development that ensures the reliability, safety, and security of software products. [1] It involves a variety of activities, including requirements analysis, design reviews, code inspections, testing, and formal verification.
[4] [5] Broader definitions of a system are the hardware, software, human systems integration, procedures and training. Therefore, system safety as part of the systems engineering process should systematically address all of these domains and areas in engineering and operations in a concerted fashion to prevent, eliminate and control hazards.
Safety engineering is an engineering discipline which assures that engineered systems provide acceptable levels of safety. It is strongly related to industrial engineering/systems engineering, and the subset system safety engineering. Safety engineering assures that a life-critical system behaves as needed, even when components fail.
When dealing with safety-critical systems, the acronym reliability, availability, maintainability and safety is frequently used. [citation needed] Dependability is an aggregate of availability, reliability, safety, integrity and maintainability. Integrity depends on security and survivability.
[1] "Integrity is important as it demonstrates the safety, security, and maintainability of... code." [1] Examples of high-integrity software are nuclear reactor control, avionics software, automotive safety-critical software and process control software. [2] [3] [H]igh integrity means that the code: Does what it should. Can be tested. Has ...
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These accidents highlighted the dangers of software control of safety-critical systems. The Therac-25 has become a standard case study in health informatics, software engineering, and computer ethics. It highlights the dangers of engineer overconfidence [2]: 428 after the engineers dismissed end-user reports, leading to severe consequences.