Evolving toward a knowledge society requires a trusted ICT infrastructure for sharing information and creating knowledge. To advance the efforts to build converged ICT services and reliable information infrastructures, ITU-T has recently started to work on future trusted ICT infrastructures. This article proposes a possible future Social-Cyber-Physical infrastructure that acts as the glue for integrating the physical, cyber, and social worlds with ICT, and outlines proposals toward an effort to find viable solutions for trust related problems while developing advanced technologies from an ITU-T standards perspective along with the trust conceptual model and the trust architectural framework