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The power grid is a critical infrastructure essential for public safety and welfare. As its reliance on digital technologies grows, so do its vulnerabilities to sophisticated cyber threats, which could severely disrupt operations. Effective…

密码学与安全 · 计算机科学 2024-12-10 Omer Sen , Bozhidar Ivanov , Christian Kloos , Christoph Zol_ , Philipp Lutat , Martin Henze , Andreas Ulbig

As the IT industry advances, system log data becomes increasingly crucial. Many computer systems rely on log texts for management due to restricted access to source code. The need for log anomaly detection is growing, especially in…

机器学习 · 计算机科学 2023-11-10 Gunho No , Yukyung Lee , Hyeongwon Kang , Pilsung Kang

In this paper, an artificial intelligence based grid hardening model is proposed with the objective of improving power grid resilience in response to extreme weather events. At first, a machine learning model is proposed to predict the…

信号处理 · 电气工程与系统科学 2018-10-09 Rozhin Eskandarpour , Amin Khodaei , A. Paaso , N. M. Abdullah

Power system emergency control is generally regarded as the last safety net for grid security and resiliency. Existing emergency control schemes are usually designed off-line based on either the conceived "worst" case scenario or a few…

机器学习 · 计算机科学 2019-04-23 Qiuhua Huang , Renke Huang , Weituo Hao , Jie Tan , Rui Fan , Zhenyu Huang

Modern smart grid systems are heavily dependent on Information and Communication Technology, and this dependency makes them prone to cyberattacks. The occurrence of a cyberattack has increased in recent years resulting in substantial damage…

密码学与安全 · 计算机科学 2021-08-03 Yasir Ali Farrukh , Irfan Khan , Zeeshan Ahmad , Rajvikram Madurai Elavarasan

Performing anomaly detection in hybrid systems is a challenging task since it requires analysis of timing behavior and mutual dependencies of both discrete and continuous signals. Typically, it requires modeling system behavior, which is…

机器学习 · 计算机科学 2020-10-30 Nemanja Hranisavljevic , Oliver Niggemann , Alexander Maier

This paper studies the performance and resilience of a linear cyber-physical control system (CPCS) with attack detection and reactive attack mitigation in the context of power grids. It addresses the problem of deriving an optimal sequence…

密码学与安全 · 计算机科学 2019-04-23 Subhash Lakshminarayana , Jabir Shabbir Karachiwala , Teo Zhan Teng , Rui Tan , David K. Y. Yau

This study proposes an anomaly detection method for operational data of industrial control systems (ICSs). Sequence-to-sequence neural networks were applied to train and predict ICS operational data and interpret their time-series…

密码学与安全 · 计算机科学 2019-11-13 Jonguk Kim , Jeong-Han Yun , Hyoung Chun Kim

Cyber-Physical Systems (CPS) have gained popularity due to the increased requirements on their uninterrupted connectivity and process automation. Due to their connectivity over the network including intranet and internet, dependence on…

密码学与安全 · 计算机科学 2022-02-15 Danish Hudani , Muhammad Haseeb , Muhammad Taufiq , Muhammad Azmi Umer , Nandha Kumar Kandasamy

Robust control and maintenance of the grid relies on accurate data. Both PMUs and state estimators are prone to false data injection attacks. Thus, it is crucial to have a mechanism for fast and accurate detection of an agent maliciously…

机器学习 · 计算机科学 2014-03-10 Hanie Sedghi , Edmond Jonckheere

Cyberattack susceptibilities are introduced as the communication requirement increases with the incorporation of more renewable energy sources into DC microgrids. Parallel DC-DC converters are utilized to provide high current and supply the…

系统与控制 · 电气工程与系统科学 2024-06-12 Naser Souri , Ali Mehrizi-Sani

Side-channel attacks are a security exploit that take advantage of information leakage. They use measurement and analysis of physical parameters to reverse engineer and extract secrets from a system. Power analysis attacks in particular,…

密码学与安全 · 计算机科学 2021-07-26 Yun Chen , Ali Hajiabadi , Romain Poussier , Andreas Diavastos , Shivam Bhasin , Trevor E. Carlson

The power grid is a critical infrastructure that plays a vital role in modern society. Its availability is of utmost importance, as a loss can endanger human lives. However, with the increasing digitalization of the power grid, it also…

密码学与安全 · 计算机科学 2023-12-22 Ömer Sen , Bozhidar Ivanov , Martin Henze , Andreas Ulbig

Industrial Control System (ICS) networks transmit control and monitoring data in critical environments such as smart grid. Cyber attacks on smart grid communication may cause fatal consequences on energy production, distribution, and…

分布式、并行与集群计算 · 计算机科学 2021-08-31 Nelson Makau Mutua , Petr Matoušek

Anomalous change detection (ACD) is an important problem in remote sensing image processing. Detecting not only pervasive but also anomalous or extreme changes has many applications for which methodologies are available. This paper…

计算机视觉与模式识别 · 计算机科学 2020-12-10 José A. Padrón-Hidalgo , Valero Laparra , Nathan Longbotham , Gustau Camps-Valls

Today's Cyber-Physical Systems (CPSs) are large, complex, and affixed with networked sensors and actuators that are targets for cyber-attacks. Conventional detection techniques are unable to deal with the increasingly dynamic and complex…

机器学习 · 计算机科学 2019-01-16 Dan Li , Dacheng Chen , Jonathan Goh , See-kiong Ng

Anomaly detection is a ubiquitous and challenging task relevant across many disciplines. With the vital role communication networks play in our daily lives, the security of these networks is imperative for smooth functioning of society. To…

密码学与安全 · 计算机科学 2022-10-18 Gopikrishna Rathinavel , Nikhil Muralidhar , Timothy O'Shea , Naren Ramakrishnan

Fault diagnostics are extremely important to decide proper actions toward fault isolation and system restoration. The growing integration of inverter-based distributed energy resources imposes strong influences on fault detection using…

信号处理 · 电气工程与系统科学 2022-10-28 Bang Nguyen , Tuyen Vu , Thai-Thanh Nguyen , Mayank Panwar , Rob Hovsapian

Anomaly detection (such as telecom fraud detection and medical image detection) has attracted the increasing attention of people. The complex interaction between multiple entities widely exists in the network, which can reflect specific…

机器学习 · 计算机科学 2024-06-10 Xu Yuan , Na Zhou , Shuo Yu , Huafei Huang , Zhikui Chen , Feng Xia

Energy constraint long-range wireless sensor/ actuator based solutions are theoretically the perfect choice to support the next generation of city-scale cyber-physical systems. Traditional systems adopt periodic control which increases…

系统与控制 · 计算机科学 2016-11-15 Sokratis Kartakis , Anqi Fu , Manuel Mazo , Julie A. McCann