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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…

密码学与安全 · 计算机科学 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…

密码学与安全 · 计算机科学 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,…

计算与语言 · 计算机科学 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…

人工智能 · 计算机科学 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…

密码学与安全 · 计算机科学 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…

计算与语言 · 计算机科学 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…

计算与语言 · 计算机科学 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…

机器学习 · 计算机科学 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…

机器学习 · 计算机科学 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…

计算与语言 · 计算机科学 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…

计算与语言 · 计算机科学 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…

密码学与安全 · 计算机科学 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…

声音 · 计算机科学 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…

计算与语言 · 计算机科学 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…

计算与语言 · 计算机科学 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…

密码学与安全 · 计算机科学 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…

声音 · 计算机科学 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…

密码学与安全 · 计算机科学 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…

机器学习 · 计算机科学 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…

计算与语言 · 计算机科学 2018-05-17 Yong Cheng , Zhaopeng Tu , Fandong Meng , Junjie Zhai , Yang Liu