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Backdoor attacks pose serious security threats to deep neural networks (DNNs). Backdoored models make arbitrarily (targeted) incorrect predictions on inputs embedded with well-designed triggers while behaving normally on clean inputs. Many…

密码学与安全 · 计算机科学 2023-07-21 Yudong Gao , Honglong Chen , Peng Sun , Junjian Li , Anqing Zhang , Zhibo Wang

Opacity and attack detectability are important properties for any system as they allow the states to remain private and malicious attacks to be detected, respectively. In this paper, we show that a fundamental trade-off exists between these…

系统与控制 · 电气工程与系统科学 2022-06-14 Varkey M. John , Vaibhav Katewa

Zero-shot domain adaptation (ZDA) methods aim to transfer knowledge about a task learned in a source domain to a target domain, while data from target domain are not available. In this work, we address learning feature representations which…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Shuang Liu , Mete Ozay

Moving Target Defense (MTD) is commonly formulated as a repeated security game to mitigate persistent threats. Although the strong Stackelberg equilibrium (SSE) characterizes the defender's optimal strategy in the leader-follower framework,…

计算机科学与博弈论 · 计算机科学 2026-05-11 Zhaoyang Cheng , Guanpu Chen , Yiguang Hong , Ming Cao , Mikael Skoglund

This work proposes a moving target defense (MTD) strategy to detect coordinated cyber-physical attacks (CCPAs) against power grids. The main idea of the proposed approach is to invalidate the knowledge that the attackers use to mask the…

密码学与安全 · 计算机科学 2021-07-28 Subhash Lakshminarayana , E. Veronica Belmega , H. Vincent Poor

Industrial control systems (ICSs) are widely used and vital to industry and society. Their failure can have severe impact on both economics and human life. Hence, these systems have become an attractive target for attacks, both physical and…

密码学与安全 · 计算机科学 2019-10-02 Moshe Kravchik , Asaf Shabtai

Denial of service (DoS) attacks and more particularly the distributed ones (DDoS) are one of the latest threat and pose a grave danger to users, organizations and infrastructures of the Internet. Several schemes have been proposed on how to…

密码学与安全 · 计算机科学 2012-04-26 B. B. Gupta , R. C. Joshi , Manoj Misra

Extensive studies have demonstrated that deep neural networks (DNNs) are vulnerable to adversarial attacks, which brings a huge security risk to the further application of DNNs, especially for the AI models developed in the real world.…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Renyang Liu , Wei Zhou , Sixin Wu , Jun Zhao , Kwok-Yan Lam

This draft addresses issues of detecting stealthy integrity cyber-attacks on automatic control systems in the unified control and detection framework. A general form of integrity cyber-attacks that cannot be detected using the…

系统与控制 · 电气工程与系统科学 2021-06-08 Steven X. Ding , Linlin Li , Dong Zhao , Chris Louen , Tianyu Liu

Network defenses based on traditional tools, techniques, and procedures fail to account for the attacker's inherent advantage present due to the static nature of network services and configurations. To take away this asymmetric advantage,…

密码学与安全 · 计算机科学 2020-03-24 Sailik Sengupta , Ankur Chowdhary , Abdulhakim Sabur , Adel Alshamrani , Dijiang Huang , Subbarao Kambhampati

This paper studies the deployment of joint moving target defense (MTD) and deception against multi-stage cyberattacks. Given the system equipped with MTD that randomizes between different configurations, we investigate how to allocate a…

密码学与安全 · 计算机科学 2022-10-17 Lening Li , Haoxiang Ma , Shuo Han , Jie Fu

In this paper, we propose an effective and easily deployable approach to detect the presence of stealthy sensor attacks in industrial control systems, where (legacy) control devices critically rely on accurate (and usually non-encrypted)…

密码学与安全 · 计算机科学 2022-03-24 Suman Sourav , Binbin Chen

As more attention is paid to security in the context of control systems and as attacks occur to real control systems throughout the world, it has become clear that some of the most nefarious attacks are those that evade detection. The term…

系统与控制 · 计算机科学 2019-06-04 Carlos Murguia , Iman Shames , Justin Ruths , Dragan Nesic

As one of the most sophisticated attacks against power grids, coordinated cyber-physical attacks (CCPAs) damage the power grid's physical infrastructure and use a simultaneous cyber attack to mask its effect. This work proposes a novel…

系统与控制 · 电气工程与系统科学 2022-07-26 Yexiang Chen , Subhash Lakshminarayana , Fei Teng

Network attacks have became increasingly more sophisticated and stealthy due to the advances in technologies and the growing sophistication of attackers. Advanced Persistent Threats (APTs) are a type of attack that implement a wide range of…

密码学与安全 · 计算机科学 2024-04-02 Abdullah H Alqahtani

An integral part of video analysis and surveillance is temporal activity detection, which means to simultaneously recognize and localize activities in long untrimmed videos. Currently, the most effective methods of temporal activity…

计算机视觉与模式识别 · 计算机科学 2020-03-13 Lingling Zhang , Xiaojun Chang , Jun Liu , Minnan Luo , Sen Wang , Zongyuan Ge , Alexander Hauptmann

The rapid expansion of Internet use has increased system exposure to cyber threats, with advanced persistent threats (APTs) being especially challenging due to their stealth, prolonged duration, and multi-stage attacks targeting high-value…

密码学与安全 · 计算机科学 2026-03-11 Willie Kouam , Stefan Rass

In the authors' opinion, anomaly detection systems, or ADS, seem to be the most perspective direction in the subject of attack detection, because these systems can detect, among others, the unknown (zero-day) attacks. To detect anomalies,…

计算机视觉与模式识别 · 计算机科学 2019-03-25 Yuri Monakhov , Oleg Nikitin , Anna Kuznetsova , Alexey Kharlamov , Alexandr Amochkin

Zero Day Threats (ZDT) are novel methods used by malicious actors to attack and exploit information technology (IT) networks or infrastructure. In the past few years, the number of these threats has been increasing at an alarming rate and…

This paper explores a scenario in which a malicious actor employs a multi-armed attack strategy to manipulate data samples, offering them various avenues to introduce noise into the dataset. Our central objective is to protect the data by…

机器学习 · 计算机科学 2024-02-29 Federica Granese , Marco Romanelli , Pablo Piantanida