This book constitutes the thoroughly refereed post-conference proceedings of the Third
International Workshop on the Security of Industrial Control Systems and of Cyber-Physical
Systems CyberICPS 2017 and the First International Workshop on Security and Privacy
Requirements Engineering SECPRE 2017 held in Oslo Norway in September 2017 in conjunction
with the 22nd European Symposium on Research in Computer Security ESORICS 2017.The CyberICPS
Workshop received 32 submissions from which 10 full and 2 short papers were selected for
presentation. They cover topics related to threats vulnerabilities and risks that
cyber-physical systems and industrial control systems face cyber attacks that may be launched
against such systems and ways of detecting and responding to such attacks. From the SECPRE
Workshop 5 full papers out of 14 submissions are included. The selected papers deal with
aspects of security and privacy requirements assurance and evaluation and security
requirements elicitation and modelling.