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Related papers: Supervisor Obfuscation Against Covert Actuator Att…

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Large-scale pretrained models using self-supervised learning have reportedly improved the performance of speech anti-spoofing. However, the attacker side may also make use of such models. Also, since it is very expensive to train such…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-26 Aoi Ito , Shota Horiguchi

The threat of spoofing can pose a risk to the reliability of automatic speaker verification. Results from the bi-annual ASVspoof evaluations show that effective countermeasures demand front-ends designed specifically for the detection of…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-22 Hemlata Tak , Jose Patino , Andreas Nautsch , Nicholas Evans , Massimiliano Todisco

Recent studies have verified that semi-supervised learning (SSL) is vulnerable to data poisoning backdoor attacks. Even a tiny fraction of contaminated training data is sufficient for adversaries to manipulate up to 90\% of the test outputs…

Machine Learning · Computer Science 2025-02-11 Xinrui Wang , Chuanxing Geng , Wenhai Wan , Shao-yuan Li , Songcan Chen

In this paper, we consider supervisory control of stochastic discrete event systems (SDESs) under linear temporal logic specifications. Applying the bounded synthesis, we reduce the supervisor synthesis into a problem of satisfying a safety…

Systems and Control · Electrical Eng. & Systems 2022-04-12 Ryohei Oura , Toshimitsu Ushio , Ami Sakakibara

This paper studies distributed resilient consensus problem for a class of uncertain nonlinear multiagent systems susceptible to deception attacks. The attacks invade both sensor and actuator channels of each agent. A specific class of…

Systems and Control · Electrical Eng. & Systems 2025-06-10 Mengze Yu , Wei Wang , Jiaqi Yan

With the enhanced performance of large models on natural language processing tasks, potential moral and ethical issues of large models arise. There exist malicious attackers who induce large models to jailbreak and generate information…

Artificial Intelligence · Computer Science 2024-04-04 Qianqiao Xu , Zhiliang Tian , Hongyan Wu , Zhen Huang , Yiping Song , Feng Liu , Dongsheng Li

Deep networks achieve state-of-the-art performance on computer vision tasks, yet they fail under adversarial attacks that are imperceptible to humans. In this paper, we propose a novel defense that can dynamically adapt the input using the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Matthew Lawhon , Chengzhi Mao , Junfeng Yang

We note that constituent fields (notably the fraction-of-seconds timestamp field) in the data payload structure of the synchrophasor communication protocol (IEEE C37.118 standard) are overprovisioned relative to real-world usage and needs,…

Cryptography and Security · Computer Science 2025-08-28 Prashanth Krishnamurthy , Ramesh Karri , Farshad Khorrami

Security of a storage device against a tampering adversary has been a well-studied topic in classical cryptography. Such models give black-box access to an adversary, and the aim is to protect the stored message or abort the protocol if…

Cryptography and Security · Computer Science 2023-11-15 Naresh Goud Boddu , Upendra S. Kapshikar

This paper investigates the supervisory control of nondeterministic discrete event systems to enforce bisimilarity with respect to deterministic specifications. A notion of synchronous simulation-based controllability is introduced as a…

Systems and Control · Computer Science 2012-03-09 Yajuan Sun , Hai Lin , Ben M. Chen

In this work, we address the objective of protecting the states of a distributed dynamical system from eavesdropping adversaries. We prove that state-of-the-art distributed algorithms, which rely on communicating the agents' states, are…

Systems and Control · Electrical Eng. & Systems 2024-09-24 Dipankar Maity , Van Sy Mai

We study a fundamental question concerning adversarial noise models in statistical problems where the algorithm receives i.i.d. draws from a distribution $\mathcal{D}$. The definitions of these adversaries specify the type of allowable…

Machine Learning · Computer Science 2022-06-30 Guy Blanc , Jane Lange , Ali Malik , Li-Yang Tan

Due to the wide application of average consensus algorithm, its security and privacy problems have attracted great attention. In this paper, we consider the system threatened by a set of unknown agents that are both "malicious" and…

Systems and Control · Electrical Eng. & Systems 2021-05-07 Shuai Sun , Yilin Mo

Neural networks are increasingly used for intrusion detection on industrial control systems (ICS). With neural networks being vulnerable to adversarial examples, attackers who wish to cause damage to an ICS can attempt to hide their attacks…

Cryptography and Security · Computer Science 2021-10-05 Giulio Zizzo , Chris Hankin , Sergio Maffeis , Kevin Jones

An indistinguishability obfuscator is a probabilistic polynomial-time algorithm that takes a circuit as input and outputs a new circuit that has the same functionality as the input circuit, such that for any two circuits of the same size…

Quantum Physics · Physics 2021-11-11 Anne Broadbent , Raza Ali Kazmi

This paper studies pipelined algorithms for protecting distributed grid computations from cheating participants, who wish to be rewarded for tasks they receive but don't perform. We present improved cheater detection algorithms that utilize…

Cryptography and Security · Computer Science 2009-06-09 Michael T. Goodrich

Malware constitutes a major global risk affecting millions of users each year. Standard algorithms in detection systems perform insufficiently when dealing with malware passed through obfuscation tools. We illustrate this studying in detail…

Cryptography and Security · Computer Science 2019-11-12 Alberto Redondo , David Rios Insua

Over the past decade, side-channels have proven to be significant and practical threats to modern computing systems. Recent attacks have all exploited the underlying shared hardware. While practical, mounting such a complicated attack is…

Cryptography and Security · Computer Science 2020-04-24 Mehmet Sinan Inci , Thomas Eisenbarth , Berk Sunar

We address the problem of state estimation, attack isolation, and control of discrete-time linear time-invariant systems under (potentially unbounded) actuator and sensor false data injection attacks. Using a bank of unknown input…

Systems and Control · Computer Science 2019-04-10 Tianci Yang , Carlos Murguia , Margreta Kuijper , Dragan Nesic

In the last decades, researchers, practitioners and companies struggled in devising mechanisms to detect malicious activities originating security threats. Amongst the many solutions, network intrusion detection emerged as one of the most…

Cryptography and Security · Computer Science 2022-03-01 Tommaso Zoppi , Andrea Ceccarelli