%0 Journal Article %T SYSTEMATIC APPROACH TO THE COMPOSITION OF CONTROL FUNCTIONS IN THE INFORMATION SECURITY SYSTEMS %A Popov, G.. %A Popova, E.. %K information security, system approach, information protection management functions, diagram of possible outcomes, life cycle of a threat %J Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics %D 2018 %N %P 9 %I Astrakhan State Technical University