MODEL OF ADAPTIVE ACCESS RIGHTS MANAGEMENT USING PETRI NETS

V. Lakhno, V. Smolii, A. Blozva, D. Kasatkin, T.Yu. Osypova, Maksym Misiura
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Abstract

The article describes the conceptual model of adaptive management of cybersecurity of the information and educational environment of a modern university (IOSU). Petri nets are used as a mathematical apparatus to solve the problem of adaptive management of access rights of IOS users. A simulation model is proposed and modeling in PIPE v4.3.0 package is performed. The possibility of automating the procedures of user profile adjustment to minimize or neutralize cyber threats in IOS is shown. The model of distribution of tasks of the user in computer networks of IOSU is offered. The model, in contrast to the existing ones, is based on the mathematical apparatus of Petri nets and contains variables that reduce the power of the state space. The method of access control (ICPD) has been supplemented. The additions addressed aspects of the verification of access rights, which are required by the tasks and requirements of the security policy, the degree of coherence of tasks and allowed access to the IOSU nodes. Adjusting security rules and metrics for new tasks or reallocating tasks is described in Petri net notation.
基于petri网的自适应访问权限管理模型
本文介绍了现代大学信息教育环境网络安全自适应管理的概念模型。利用Petri网作为一种数学工具来解决IOS用户访问权限的自适应管理问题。提出了仿真模型,并在PIPE v4.3.0包中进行了建模。显示了在IOS中自动化用户配置文件调整过程以最小化或消除网络威胁的可能性。提出了IOSU计算机网络中用户任务分配的模型。与现有的模型相比,该模型基于Petri网的数学装置,并包含降低状态空间功率的变量。补充了访问控制方法(ICPD)。新增内容涉及安全政策任务和要求所要求的访问权核查、任务的一致性程度和允许访问IOSU节点等方面。为新任务调整安全规则和度量或重新分配任务用Petri网符号来描述。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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