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Generative AI models have substantially improved the realism of synthetic media, yet their misuse through sophisticated DeepFakes poses significant risks. Despite recent advances in deepfake detection, fairness remains inadequately…

机器学习 · 计算机科学 2025-07-31 Aryana Hou , Li Lin , Justin Li , Shu Hu

Deepfake Technology Unveiled: The Commoditization of AI and Its Impact on Digital Trust. With the increasing accessibility of generative AI, tools for voice cloning, face-swapping, and synthetic media creation have advanced significantly,…

计算机与社会 · 计算机科学 2025-07-16 Claudiu Popa , Rex Pallath , Liam Cunningham , Hewad Tahiri , Abiram Kesavarajah , Tao Wu

A security threat to deep neural networks (DNN) is backdoor contamination, in which an adversary poisons the training data of a target model to inject a Trojan so that images carrying a specific trigger will always be classified into a…

密码学与安全 · 计算机科学 2020-12-11 Di Tang , XiaoFeng Wang , Haixu Tang , Kehuan Zhang

Detecting AI-generated images, particularly deepfakes, has become increasingly crucial, with the primary challenge being the generalization to previously unseen manipulation methods. This paper tackles this issue by leveraging the forgery…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Wentang Song , Zhiyuan Yan , Yuzhen Lin , Taiping Yao , Changsheng Chen , Shen Chen , Yandan Zhao , Shouhong Ding , Bin Li

Federated Learning (FL) allows multiple clients to collaboratively train a Neural Network (NN) model on their private data without revealing the data. Recently, several targeted poisoning attacks against FL have been introduced. These…

密码学与安全 · 计算机科学 2022-01-04 Phillip Rieger , Thien Duc Nguyen , Markus Miettinen , Ahmad-Reza Sadeghi

Recently, backdoor attacks pose a new security threat to the training process of deep neural networks (DNNs). Attackers intend to inject hidden backdoors into DNNs, such that the attacked model performs well on benign samples, whereas its…

密码学与安全 · 计算机科学 2021-08-16 Yuezun Li , Yiming Li , Baoyuan Wu , Longkang Li , Ran He , Siwei Lyu

The rapid advancement of generative AI has enabled the mass production of photorealistic synthetic images, blurring the boundary between authentic and fabricated visual content. This challenge is particularly evident in deepfake scenarios…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Minsun Jeon , Simon S. Woo

Object detectors are vulnerable to backdoor attacks. In contrast to classifiers, detectors possess unique characteristics, architecturally and in task execution; often operating in challenging conditions, for instance, detecting traffic…

Generative AI systems increasingly expose powerful reasoning and image refinement capabilities through user-facing chatbot interfaces. In this work, we show that the na\"ive exposure of such capabilities fundamentally undermines modern…

密码学与安全 · 计算机科学 2026-03-12 Sunpill Kim , Chanwoo Hwang , Minsu Kim , Jae Hong Seo

Backdoor attack against deep neural networks is currently being profoundly investigated due to its severe security consequences. Current state-of-the-art backdoor attacks require the adversary to modify the input, usually by adding a…

密码学与安全 · 计算机科学 2020-10-09 Ahmed Salem , Michael Backes , Yang Zhang

Backdoor attack is a major threat to deep learning systems in safety-critical scenarios, which aims to trigger misbehavior of neural network models under attacker-controlled conditions. However, most backdoor attacks have to modify the…

机器学习 · 计算机科学 2023-08-24 Yizhen Yuan , Rui Kong , Shenghao Xie , Yuanchun Li , Yunxin Liu

Intuitively, a backdoor attack against Deep Neural Networks (DNNs) is to inject hidden malicious behaviors into DNNs such that the backdoor model behaves legitimately for benign inputs, yet invokes a predefined malicious behavior when its…

密码学与安全 · 计算机科学 2021-02-09 Shaofeng Li , Shiqing Ma , Minhui Xue , Benjamin Zi Hao Zhao

Recent advances in deep generative models have made it easier to manipulate face videos, raising significant concerns about their potential misuse for fraud and misinformation. Existing detectors often perform well in in-domain scenarios…

计算机视觉与模式识别 · 计算机科学 2026-01-26 Yinqi Cai , Jichang Li , Zhaolun Li , Weikai Chen , Rushi Lan , Xi Xie , Xiaonan Luo , Guanbin Li

Recent advances in Machine Learning (ML) have opened up new avenues for its extensive use in real-world applications. Facial recognition, specifically, is used from simple friend suggestions in social-media platforms to critical security…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Esha Sarkar , Hadjer Benkraouda , Michail Maniatakos

Backdoor data poisoning is an emerging form of adversarial attack usually against deep neural network image classifiers. The attacker poisons the training set with a relatively small set of images from one (or several) source class(es),…

机器学习 · 计算机科学 2020-10-16 Zhen Xiang , David J. Miller , George Kesidis

Deep neural networks (DNNs) are vulnerable to backdoor attacks, where the adversary manipulates a small portion of training data such that the victim model predicts normally on the benign samples but classifies the triggered samples as the…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Yinghua Gao , Yiming Li , Xueluan Gong , Zhifeng Li , Shu-Tao Xia , Qian Wang

Data poisoning attacks compromise the integrity of machine-learning models by introducing malicious training samples to influence the results during test time. In this work, we investigate backdoor data poisoning attack on deep neural…

机器学习 · 计算机科学 2019-12-04 Mahesh Subedar , Nilesh Ahuja , Ranganath Krishnan , Ibrahima J. Ndiour , Omesh Tickoo

Object detectors, which are widely used in real-world applications, are vulnerable to backdoor attacks. This vulnerability arises because many users rely on datasets or pre-trained models provided by third parties due to constraints on data…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Zhiying Li , Zhi Liu , Guanggang Geng , Shreyank N Gowda , Shuyuan Lin , Jian Weng , Xiaobo Jin

Backdoor attacks pose a serious security threat for training neural networks as they surreptitiously introduce hidden functionalities into a model. Such backdoors remain silent during inference on clean inputs, evading detection due to…

密码学与安全 · 计算机科学 2023-12-15 Lukas Struppek , Martin B. Hentschel , Clifton Poth , Dominik Hintersdorf , Kristian Kersting

Deepfakes are computer manipulated videos where the face of an individual has been replaced with that of another. Software for creating such forgeries is easy to use and ever more popular, causing serious threats to personal reputation and…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Samuele Pino , Mark James Carman , Paolo Bestagini