TY JOUR TI BUILDING RISK MODELS FOR DESCRIBING SECURITY FUNCTIONS ON PROTECTING OUTER PERIMETERS OF THE ORGANIZATION KW object of protection KW perimeters protection KW security group KW technical means of protection KW total costs and losses KW probability of violation KW model building JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Dorokhov, A.. AU Magomedov, S.. AU Popov, G.. AU Rudenko, M.. AU Shurshev, V.F. PY 2017 IS PB Astrakhan State Technical University