This book constitutes the refereed proceedings of the 11th International Conference on Trust and Privacy in Digital Business, TrustBus 2014, held in Munich, Germany, in September 2014 in conjunction with DEXA 2014. The 16 revised full papers presented were carefully reviewed and selected from numerous submissions. The papers are organized in the following topical sections: trust management; trust metrics and evaluation models; privacy and trust in cloud computing; security management; and security, trust, and privacy in mobile and pervasive environments.