This book
constitutes revised selected papers from the 9th International Conference on
Critical Information Infrastructures Security, CRITIS 2014, held in Limassol,
Cyprus, in October 2014.



The 20 full
and 19 short papers presented in this volume were carefully reviewed and
selected from 74 submissions. They are organized in topical sections named:
cyber-physical systems and sensor networks; security of water systems; power
and energy system security; security and recovery policies, cyber security; and
security tools and protocols.