TY JOUR TI UNIFICATION OF THE APPROACHES TO CONTROL OF THE LEVEL OF INFORMATION SECURITY IN DIFFERENT ORGANIZATIONS KW information security KW security services KW threat KW vulnerability KW damage KW protection KW linguistic variable KW fuzzy numbers JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Azhmukhamedov, I.. AU Knyazeva, O.. PY 2015 IS 2015 PB Astrakhan State Technical University