This book constitutes the refereed proceedings of the 8th IFIP WG 6.6 International Conference on Monitoring and Securing Virtualized Networks and Services, AIMS 2014, held in Brno, Czech Republic, in June/July 2014. The 9 full papers presented were carefully reviewed and selected from 29 submissions. The volume also includes 13 papers presented at the AIMS Ph.D. workshop. They were reviewed and selected from 27 submissions. The full papers are organized in topical sections on emerging infrastructures for networks and services; experimental studies for security management; and monitoring methods for quality-of-service and security. The workshop papers are organized in topical sections on management of virtualized network resources and functions; security management; SDN and content delivery; monitoring and information sharing.