The 7th International Workshop on Security and Trust Management, supported by ERCIM, was held in Copenhage (Denmark) on the 27th-28th of June 2011, in conjunction with IFIPTM’11. Almost 40 papers were submitted and 12 were accepted for submission. The event also included a panel where the new paradigms of trust were discussed. The proceedings will shortly be available in Springer, LNCS series.