PhD Kairat Sakan graduated from the Faculty of Mechanics and Mathematics of the Al-Farabi Kazakh National University, majoring in "mathematics and applied mathematics" (KazNU, Almaty, Kazakhstan) in 2001. In 2001-2002, he worked as a teacher at the Department of Applied Mathematics and Mathematical Modeling at KazNU. Between 2003 and 2005, he worked as a junior researcher at the Research Institute of Mathematics and Mechanics (IMM) of KazNU. After that, he worked in the field of information protection in the state structure for several years. Since 2018, he has been working as a mathematician in the information protection laboratory at the Scientific Institute of Information and Computing Technologies. The field of scientific research is information protection in the public and private sector.