This book constitutes the refereed proceedings of the 8th IFIP WG 11.11 International Conference on Trust Management, IFIPTM 2014, held in Singapore, in July 2014. The papers cover a wide range of topics focusing on the following main areas: trust and reputation models; trust under attacks and trust in the cloud environment.

This book constitutes the refereed proceedings of the 20th International Conference on Information Security, ISC 2017, held in Ho Chi Minh City, Vietnam, in November 2017.