Similarities and dissimilarities between safety levels and security levels

Abstract : The paper proposes a comparative analysis of the notions of Safety Levels and Security Levels as defined (under various names) by the relevant standards. This comparison is a basis for the elaboration of a harmonised process to develop and validate embedded systems having to comply with both safety and security requirements (including related certification requirements when applicable), which is the objective of the French collaborative project SEISES. An important case corresponds to systems for which security requirements come from safety needs i.e., the necessity to preserve safety properties even in case of security threats. In such a case it is necessary to identify clearly the dependencies between the Safety and the Security Levels of the system.
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Jean-Paul Blanquart, Pierre Bieber, Gilles Descargues, Eric Hazane, Mathias Julien, et al.. Similarities and dissimilarities between safety levels and security levels. Embedded Real Time Software and Systems (ERTS2012), Feb 2012, Toulouse, France. ⟨hal-02263450⟩

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