This book constitutes the refereed proceedings of the 36th International Conference  on Computer Safety, Reliability, and Security, SAFECOMP 2017, held in Trento, Italy, in September 2017. The 22 revised full papers and two abstracts of keynotes presented  were carefully reviewed  and selected from 65 submissions. The papers are organized in topical sections on dynamic fault trees; safety case and argumentation; formal verification; autonomous systems; static analysis and testing; safety analysis and assessment; safety and security.