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Prior work has demonstrated that functionally correct yet vulnerable outputs arise systematically in threat-oriented settings, where adversarial or implicit channels are used to induce security failures in code agents and automated patching…

Cryptography and Security · Computer Science 2026-04-22 Xiaolei Ren

Automated detection of software vulnerabilities is a fundamental problem in software security. Existing program analysis techniques either suffer from high false positives or false negatives. Recent progress in Deep Learning (DL) has…

Software Engineering · Computer Science 2020-09-16 Saikat Chakraborty , Rahul Krishna , Yangruibo Ding , Baishakhi Ray

Variable selection methods have been developed in linear regression to provide sparse solutions. Recent studies have focused on further interpretations on the sparse solutions in terms of false positive control. In this paper, we consider…

Statistics Theory · Mathematics 2019-11-25 X. Jessie Jeng , Xiongzhi Chen

Smart healthcare systems are gaining popularity with the rapid development of intelligent sensors, the Internet of Things (IoT) applications and services, and wireless communications. However, at the same time, several vulnerabilities and…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-12-17 Arawinkumaar Selvakkumar , Shantanu Pal , Zahra Jadidi

Safety-aligned large language models (LLMs) sometimes falsely refuse pseudo-harmful prompts, like "how to kill a mosquito," which are actually harmless. Frequent false refusals not only frustrate users but also provoke a public backlash…

Computation and Language · Computer Science 2025-06-12 Bang An , Sicheng Zhu , Ruiyi Zhang , Michael-Andrei Panaitescu-Liess , Yuancheng Xu , Furong Huang

Static Application Security Testing (SAST) tools are critical to software quality, identifying potential code issues early in development. However, they often produce false positive warnings that require manual review, slowing down…

Software Engineering · Computer Science 2025-06-03 Jinbao Chen , Hongjing Xiang , Zuohong Zhao , Luhao Li , Yu Zhang , Boyao Ding , Qingwei Li , Songyuan Xiong

Poisoning efficiency is crucial in poisoning-based backdoor attacks, as attackers aim to minimize the number of poisoning samples while maximizing attack efficacy. Recent studies have sought to enhance poisoning efficiency by selecting…

Cryptography and Security · Computer Science 2024-10-01 Ziqiang Li , Hong Sun , Pengfei Xia , Beihao Xia , Xue Rui , Wei Zhang , Qinglang Guo , Zhangjie Fu , Bin Li

Malware classifiers are subject to training-time exploitation due to the need to regularly retrain using samples collected from the wild. Recent work has demonstrated the feasibility of backdoor attacks against malware classifiers, and yet…

Cryptography and Security · Computer Science 2022-02-14 Limin Yang , Zhi Chen , Jacopo Cortellazzi , Feargus Pendlebury , Kevin Tu , Fabio Pierazzi , Lorenzo Cavallaro , Gang Wang

System prompt configuration can make the difference between near-total phishing blindness and near-perfect detection in LLM email agents. We present PhishNChips, a study of 11 models under 10 prompt strategies, showing that prompt-model…

Cryptography and Security · Computer Science 2026-03-27 Ron Litvak

To operate in real-world high-stakes environments, deep learning systems have to endure noises that have been continuously thwarting their robustness. Data-end defense, which improves robustness by operations on input data instead of…

Computer Vision and Pattern Recognition · Computer Science 2022-04-14 Jiakai Wang , Zixin Yin , Pengfei Hu , Aishan Liu , Renshuai Tao , Haotong Qin , Xianglong Liu , Dacheng Tao

Offline reinforcement learning aims to learn an agent from pre-collected datasets, avoiding unsafe and inefficient real-time interaction. However, inevitable access to out-ofdistribution actions during the learning process introduces…

Artificial Intelligence · Computer Science 2026-03-06 Fan Zhang , Baoru Huang , Xin Zhang

Cyber-physical systems (CPSs) in critical infrastructure face a pervasive threat from attackers, motivating research into a variety of countermeasures for securing them. Assessing the effectiveness of these countermeasures is challenging,…

Software Engineering · Computer Science 2020-07-17 Yuqi Chen , Bohan Xuan , Christopher M. Poskitt , Jun Sun , Fan Zhang

Poisoning attacks can disproportionately influence model behaviour by making small changes to the training corpus. While defences against specific poisoning attacks do exist, they in general do not provide any guarantees, leaving them…

Machine Learning · Computer Science 2024-03-19 Shijie Liu , Andrew C. Cullen , Paul Montague , Sarah M. Erfani , Benjamin I. P. Rubinstein

As the demand for highly secure and dependable lightweight systems increases in the modern world, Physically Unclonable Functions (PUFs) continue to promise a lightweight alternative to high-cost encryption techniques and secure key…

Cryptography and Security · Computer Science 2022-07-12 Owen Millwood , Jack Miskelly , Bohao Yang , Prosanta Gope , Elif Kavun , Chenghua Lin

Data heterogeneity and backdoor attacks rank among the most significant challenges facing federated learning (FL). For data heterogeneity, personalized federated learning (PFL) enables each client to maintain a private personalized model to…

Machine Learning · Computer Science 2025-01-23 Mingyuan Fan , Zhanyi Hu , Fuyi Wang , Cen Chen

Secure multiparty computation (MPC) allows data owners to train machine learning models on combined data while keeping the underlying training data private. The MPC threat model either considers an adversary who passively corrupts some…

Cryptography and Security · Computer Science 2025-05-26 Matthew Jagielski , Daniel Escudero , Rahul Rachuri , Peter Scholl

The increasing adoption of Reinforcement Learning in safety-critical systems domains such as autonomous vehicles, health, and aviation raises the need for ensuring their safety. Existing safety mechanisms such as adversarial training,…

Machine Learning · Computer Science 2021-11-11 Paulina Stevia Nouwou Mindom , Amin Nikanjam , Foutse Khomh , John Mullins

Parameter-efficient fine-tuning (PEFT) has become a key training strategy for large language models. However, its reliance on fewer trainable parameters poses security risks, such as task-agnostic backdoors. Despite their severe impact on a…

Computation and Language · Computer Science 2024-10-08 Jaehan Kim , Minkyoo Song , Seung Ho Na , Seungwon Shin

Detecting relevant changes is a fundamental problem of video surveillance. Because of the high variability of data and the difficulty of properly annotating changes, unsupervised methods dominate the field. Arguably one of the most critical…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Xavier Bou , Aitor Artola , Thibaud Ehret , Gabriele Facciolo , Jean-Michel Morel , Rafael Grompone von Gioi

Medical foundation models are gaining prominence in the medical community for their ability to derive general representations from extensive collections of medical image-text pairs. Recent research indicates that these models are…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Asif Hanif , Fahad Shamshad , Muhammad Awais , Muzammal Naseer , Fahad Shahbaz Khan , Karthik Nandakumar , Salman Khan , Rao Muhammad Anwer