محمودی نصر, پیام

دانشگاه مازندران

[ 1 ] - یک سامانه مدیریت دسترسی برای کاهش تهدیدهای عملیاتی در سامانه اسکادا

One of the most dangerous insider threats in a supervisory control and data acquisition (SCADA) system is the operational threat. An operational threat occurs when an authorized operator misuses the permissions, and brings catastrophic damages by sending legitimate control commands. Providing too many permissions may backfire, when an operator wrongly or deliberately abuses the privileges. Ther...

[ 2 ] - A Petri-net Model for Operational Cycle in SCADA Systems

Supervisory control and data acquisition (SCADA) system monitors and controls industrial processes in critical infrastructures (CIs) and plays the vital role in maintaining the reliability of CIs such as power, oil, and gas system. In fact, SCADA system refers to the set of control process, which measures and monitors sensors in remote substations from a control center. These sensors usually ha...

[ 3 ] - A Mutual Authentication Method for Internet of Things

Today, we are witnessing the expansion of various Internet of Things (IoT) applications and services such as surveillance and health. These services are delivered to users via smart devices anywhere and anytime. Forecasts show that the IoT, which is controlled online in the user environment, will reach 25 billion devices worldwide by 2020. Data security is one of the main concerns in the IoT. ...

[ 4 ] - An Authorization Framework for Database Systems

Today, data plays an essential role in all levels of human life, from personal cell phones to medical, educational, military and government agencies. In such circumstances, the rate of cyber-attacks is also increasing. According to official reports, data breaches exposed 4.1 billion records in the first half of 2019. An information system consists of several components, which one of the most im...

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