TY JOUR TI Cyber-risks Modelling in a Bank KW Cyber-attack KW cyber-risk KW financial institutions KW DDoS-attacks KW modelling of cyber-attacks JO Russian Journal of Management AU Cherkasova, Y.I. AU Yankina, I.A. AU Mamedova, E.F. PY 2020 IS 7 PB Publishing Center RIOR