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Deep Learning (DL)-based malware detectors are increasingly adopted for early detection of malicious behavior in cybersecurity. However, their sensitivity to adversarial malware variants has raised immense security concerns. Generating such…

Cryptography and Security · Computer Science 2021-12-06 James Lee Hu , Mohammadreza Ebrahimi , Hsinchun Chen

Large Language Models (LLMS) have increasingly become central to generating content with potential societal impacts. Notably, these models have demonstrated capabilities for generating content that could be deemed harmful. To mitigate these…

Cryptography and Security · Computer Science 2024-05-20 Zihao Xu , Yi Liu , Gelei Deng , Yuekang Li , Stjepan Picek

Although unsupervised neural machine translation (UNMT) has achieved success in many language pairs, the copying problem, i.e., directly copying some parts of the input sentence as the translation, is common among distant language pairs,…

Computation and Language · Computer Science 2023-06-06 Yihong Liu , Alexandra Chronopoulou , Hinrich Schütze , Alexander Fraser

As we deploy autonomous agents in safety-critical domains, it becomes important to develop an understanding of their internal mechanisms and representations. We outline an approach to imitation learning for reverse-engineering black box…

Artificial Intelligence · Computer Science 2020-06-23 Tom Bewley , Jonathan Lawry , Arthur Richards

Large Language Models (LLMs), which bridge the gap between human language understanding and complex problem-solving, achieve state-of-the-art performance on several NLP tasks, particularly in few-shot and zero-shot settings. Despite the…

Cryptography and Security · Computer Science 2025-01-07 Shuai Zhao , Meihuizi Jia , Zhongliang Guo , Leilei Gan , Xiaoyu Xu , Xiaobao Wu , Jie Fu , Yichao Feng , Fengjun Pan , Luu Anh Tuan

Currently, natural language processing (NLP) models are wildly used in various scenarios. However, NLP models, like all deep models, are vulnerable to adversarially generated text. Numerous works have been working on mitigating the…

Computation and Language · Computer Science 2023-02-14 Lujia Shen , Xuhong Zhang , Shouling Ji , Yuwen Pu , Chunpeng Ge , Xing Yang , Yanghe Feng

Massively multilingual models for neural machine translation (NMT) are theoretically attractive, but often underperform bilingual models and deliver poor zero-shot translations. In this paper, we explore ways to improve them. We argue that…

Computation and Language · Computer Science 2020-04-27 Biao Zhang , Philip Williams , Ivan Titov , Rico Sennrich

The use of machine learning (ML) has become increasingly prevalent in various domains, highlighting the importance of understanding and ensuring its safety. One pressing concern is the vulnerability of ML applications to model stealing…

Machine Learning · Computer Science 2026-04-07 Ganghua Wang , Yuhong Yang , Jie Ding

Deep neural networks have been proven to be vulnerable to adversarial examples and various methods have been proposed to defend against adversarial attacks for natural language processing tasks. However, previous defense methods have…

Machine Learning · Computer Science 2024-03-01 Fangyuan Zhang , Huichi Zhou , Shuangjiao Li , Hongtao Wang

Despite outstanding performance in a variety of NLP tasks, recent studies have revealed that NLP models are vulnerable to adversarial attacks that slightly perturb the input to cause the models to misbehave. Among these attacks, adversarial…

Computation and Language · Computer Science 2024-06-11 Duy C. Hoang , Quang H. Nguyen , Saurav Manchanda , MinLong Peng , Kok-Seng Wong , Khoa D. Doan

Explainable AI is a strong strategy implemented to understand complex black-box model predictions in a human interpretable language. It provides the evidence required to execute the use of trustworthy and reliable AI systems. On the other…

Computation and Language · Computer Science 2025-03-12 Esther Chiramal , Kelvin Soh Boon Kai

Ensuring the security of large language models (LLMs) is an ongoing challenge despite their widespread popularity. Developers work to enhance LLMs security, but vulnerabilities persist, even in advanced versions like GPT-4. Attackers…

Cryptography and Security · Computer Science 2023-12-19 Aysan Esmradi , Daniel Wankit Yip , Chun Fai Chan

Recent studies have demonstrated the vulnerability of Automatic Speech Recognition systems to adversarial examples, which can deceive these systems into misinterpreting input speech commands. While previous research has primarily focused on…

Sound · Computer Science 2025-11-21 Aravindhan G , Yuvaraj Govindarajulu , Parin Shah

Unsupervised neural machine translation(NMT) is associated with noise and errors in synthetic data when executing vanilla back-translations. Here, we explicitly exploits language model(LM) to drive construction of an unsupervised NMT…

Computation and Language · Computer Science 2019-11-12 Wei Zhang , Youyuan Lin , Ruoran Ren , Xiaodong Wang , Zhenshuang Liang , Zhen Huang

Large language model (LLM) safety is a critical issue, with numerous studies employing red team testing to enhance model security. Among these, jailbreak methods explore potential vulnerabilities by crafting malicious prompts that induce…

Computation and Language · Computer Science 2025-03-07 Honglin Mu , Han He , Yuxin Zhou , Yunlong Feng , Yang Xu , Libo Qin , Xiaoming Shi , Zeming Liu , Xudong Han , Qi Shi , Qingfu Zhu , Wanxiang Che

With further development in the fields of computer vision, network security, natural language processing and so on so forth, deep learning technology gradually exposed certain security risks. The existing deep learning algorithms cannot…

Cryptography and Security · Computer Science 2020-11-18 Rui Zhao

Deep neural networks are vulnerable to adversarial examples that mislead models with imperceptible perturbations. In audio, although adversarial examples have achieved incredible attack success rates on white-box settings and black-box…

Sound · Computer Science 2022-10-13 Deng JiaCheng , Dong Li , Yan Diqun , Wang Rangding , Zeng Jiaming

Deep learning is gaining importance in many applications. However, Neural Networks face several security and privacy threats. This is particularly significant in the scenario where Cloud infrastructures deploy a service with Neural Network…

Cryptography and Security · Computer Science 2019-07-09 Vasisht Duddu , Debasis Samanta , D Vijay Rao , Valentina E. Balas

Traffic state prediction is necessary for many Intelligent Transportation Systems applications. Recent developments of the topic have focused on network-wide, multi-step prediction, where state of the art performance is achieved via deep…

Machine Learning · Computer Science 2024-03-12 Bibek Poudel , Weizi Li

Small perturbations in the input can severely distort intermediate representations and thus impact translation quality of neural machine translation (NMT) models. In this paper, we propose to improve the robustness of NMT models with…

Computation and Language · Computer Science 2018-05-17 Yong Cheng , Zhaopeng Tu , Fandong Meng , Junjie Zhai , Yang Liu