TY JOUR TI Problems of countering the shadow economy and ensuring socio-economic security KW shadow economy KW cybercrime KW artificial intelligence KW financial crimes KW financial chicanery KW financial technologies KW digital financial technologies KW financial security KW economic security KW socio-economic security KW tax evasion JO Economic policy and national security AU Pereverzeva, E.S. AU Plotnikov, V.A. PY 2025 IS 0 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION