Improving Financial Security Model under Sanctions as Sustainable Development Component Valeriy Kopein, Elena Filimonova, Tatjana Sinitsyna, Tatjana Lantseva and Nelli Morozenko E3S Web Conf., 41 (2018) 04038 Published online: 26 June 2018 DOI: 10.1051/e3sconf/20184104038