The article Y.M. Tileubergenov, K.Kh. Shadiyev, B.M. Koshpenbetov, Y.A. Buribayev, Z.A. Khamzina “Fundamental Causes of Information Systems Vulnerability and Their Protection”, Advances in Systems Science and Application (2016), Vol.16, No.4, P.53-61 was withdrawn by the editorial board due to violation of ASSA publication ethics (please, see Publication Ethics Statement). The reason is that the article’s content lacks originality due to substantial intersections with the following paper: A.V. Revnivykh, A.M. Fedotov "Main Reasons of Information Systems Vulnerability" in Global Journal of Pure and Applied Mathematics (2016), Vol. 12, No. 3, pp. 2133–2142 Editorial Board of Advances in Systems Science and Application, 18.08.17 http://ijassa.ipu.ru/ojs/ijassa/ethics