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Deep neural networks are being widely deployed for many critical tasks due to their high classification accuracy. In many cases, pre-trained models are sourced from vendors who may have disrupted the training pipeline to insert Trojan…

计算机视觉与模式识别 · 计算机科学 2020-07-30 Xiaoyu Zhang , Ajmal Mian , Rohit Gupta , Nazanin Rahnavard , Mubarak Shah

Synthetic insider threat benchmarks face a consistency problem: corpora generated without an external factual constraint cannot rule out cross-artifact contradictions. The CERT dataset -- the field's canonical benchmark -- is also static,…

密码学与安全 · 计算机科学 2026-03-25 Jeffrey Flynt

Training machine learning models can be very expensive or even unaffordable. This may be, for example, due to data limitations, such as unavailability or being too large, or computational power limitations. Therefore, it is a common…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Mohamed E. Hussein , Sudharshan Subramaniam Janakiraman , Wael AbdAlmageed

Malware and cheat developers use fileless execution techniques to evade traditional, signature-based security products. These methods include various types of manual mapping, module stomping, and threadless injection which work entirely…

密码学与安全 · 计算机科学 2025-08-07 Arjun Juneja

Chain-of-Thought (CoT) reasoning has emerged as a powerful technique for enhancing large language models' capabilities by generating intermediate reasoning steps for complex tasks. A common practice for equipping LLMs with reasoning is to…

密码学与安全 · 计算机科学 2026-01-29 Harsh Chaudhari , Ethan Rathbun , Hanna Foerster , Jamie Hayes , Matthew Jagielski , Milad Nasr , Ilia Shumailov , Alina Oprea

The increasing cost of integrated circuit (IC) fabrication has driven most companies to "go fabless" over time. The corresponding outsourcing trend gave rise to various attack vectors, e.g., illegal overproduction of ICs, piracy of the…

密码学与安全 · 计算机科学 2019-02-26 Johann Knechtel , Satwik Patnaik , Ozgur Sinanoglu

Model adaptation tackles the distribution shift problem with a pre-trained model instead of raw data, which has become a popular paradigm due to its great privacy protection. Existing methods always assume adapting to a clean target domain,…

密码学与安全 · 计算机科学 2025-02-18 Lijun Sheng , Jian Liang , Ran He , Zilei Wang , Tieniu Tan

Split manufacturing is a promising technique to defend against fab-based malicious activities such as IP piracy, overbuilding, and insertion of hardware Trojans. However, a network flow-based proximity attack, proposed by Wang et al.…

密码学与安全 · 计算机科学 2017-12-21 Abhrajit Sengupta , Satwik Patnaik , Johann Knechtel , Mohammed Ashraf , Siddharth Garg , Ozgur Sinanoglu

Hardware Trojans can inflict harm on wireless networks by exploiting the link margins inherent in communication systems. We investigate a setting in which, alongside a legitimate communication link, a hardware Trojan embedded in the…

信息论 · 计算机科学 2024-04-24 Serhat Bakirtas , Matthieu R. Bloch , Elza Erkip

Recently, it has been shown that deep learning models are vulnerable to Trojan attacks, where an attacker can install a backdoor during training time to make the resultant model misidentify samples contaminated with a small trigger patch.…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Haripriya Harikumar , Vuong Le , Santu Rana , Sourangshu Bhattacharya , Sunil Gupta , Svetha Venkatesh

In this paper, we investigate the advanced circuit features such as wordline- (WL) underdrive (prevents retention failure) and overdrive (assists write) employed in the peripherals of Dynamic RAM (DRAM) memories from a security perspective.…

硬件体系结构 · 计算机科学 2020-01-06 Karthikeyan Nagarajan , Asmit De , Mohammad Nasim Imtiaz Khan , Swaroop Ghosh

With the popularity of deep learning (DL), artificial intelligence (AI) has been applied in many areas of human life. Neural network or artificial neural network (NN), the main technique behind DL, has been extensively studied to facilitate…

密码学与安全 · 计算机科学 2019-12-04 Minhui Zou , Yang Shi , Chengliang Wang , Fangyu Li , WenZhan Song , Yu Wang

The Hardware Trojan (HT) problem can be thought of as a continuous game between attackers and defenders, each striving to outsmart the other by leveraging any available means for an advantage. Machine Learning (ML) has recently played a key…

密码学与安全 · 计算机科学 2024-12-10 Amin Sarihi , Peter Jamieson , Ahmad Patooghy , Abdel-Hameed A. Badawy

Conventional Hardware Trojan (HT) detection techniques are based on the validation of integrated circuits to determine changes in their functionality, and on non-invasive side-channel analysis to identify the variations in their physical…

Secure elements physically exposed to adversaries are frequently targeted by fault attacks. These attacks can be utilized to hijack the control-flow of software allowing the attacker to bypass security measures, extract sensitive data, or…

密码学与安全 · 计算机科学 2023-03-27 Pascal Nasahl , Stefan Mangard

Trojan (backdoor) attack is a form of adversarial attack on deep neural networks where the attacker provides victims with a model trained/retrained on malicious data. The backdoor can be activated when a normal input is stamped with a…

机器学习 · 计算机科学 2021-01-05 Siyuan Cheng , Yingqi Liu , Shiqing Ma , Xiangyu Zhang

Marked temporal point processes (MTPPs) have been shown to be extremely effective in modeling continuous time event sequences (CTESs). In this work, we present adversarial attacks designed specifically for MTPP models. A key criterion for a…

机器学习 · 计算机科学 2025-01-22 Pritish Chakraborty , Vinayak Gupta , Rahul R , Srikanta J. Bedathur , Abir De

The Precision Time Protocol (PTP), standardized as IEEE 1588, provides sub-microsecond synchronization across distributed systems and underpins critical infrastructure in telecommunications, finance, power systems, and industrial…

密码学与安全 · 计算机科学 2025-10-09 Muhammad Abdullah Soomro , Fatima Muhammad Anwar

Backdoor attacks embed malicious behaviors into Large Language Models (LLMs), enabling adversaries to trigger harmful outputs or bypass safety controls. However, the persistence of the implanted backdoors under user-driven post-deployment…

密码学与安全 · 计算机科学 2025-12-18 Jing Cui , Yufei Han , Jianbin Jiao , Junge Zhang

Hardware Trojans (HT s) are a persistent threat to integrated circuits, especially when inserted at the register-transfer level (RTL). Existing methods typically first convert the design into a graph, such as a gate-level netlist or an…