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The growing accessibility of diffusion models has revolutionized image editing but also raised significant concerns about unauthorized modifications, such as misinformation and plagiarism. Existing countermeasures largely rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Yaopei Zeng , Yuanpu Cao , Lu Lin

Honeywords are decoy passwords that can be added to a credential database; if a login attempt uses a honeyword, this indicates that the site's credential database has been leaked. In this paper we explore the basic requirements for…

Cryptography and Security · Computer Science 2024-03-07 Zonghao Huang , Lujo Bauer , Michael K. Reiter

The widespread use of face recognition technology has given rise to privacy concerns, as many individuals are worried about the collection and utilization of their facial data. To address these concerns, researchers are actively exploring…

Cryptography and Security · Computer Science 2023-10-26 Zhiling Zhang , Jie Zhang , Kui Zhang , Wenbo Zhou , Weiming Zhang , Nenghai Yu

A face image not only provides details about the identity of a subject but also reveals several attributes such as gender, race, sexual orientation, and age. Advancements in machine learning algorithms and popularity of sharing images on…

Computer Vision and Pattern Recognition · Computer Science 2018-10-01 Saheb Chhabra , Richa Singh , Mayank Vatsa , Gaurav Gupta

Adversarial attacks in computer vision exploit the vulnerabilities of machine learning models by introducing subtle perturbations to input data, often leading to incorrect predictions or classifications. These attacks have evolved in…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Vishal Asnani , Xi Yin , Xiaoming Liu

Students' perception of excessive difficulty in STEM degrees lowers their motivation and therefore affects their performance. According to prior research, the use of gamification techniques promote engagement, motivation and fun when…

Computers and Society · Computer Science 2023-07-18 Raúl Lara-Cabrera , Fernando Ortega , Edgar Talavera , Daniel López-Fernández

Recently, recommender systems have achieved promising performances and become one of the most widely used web applications. However, recommender systems are often trained on highly sensitive user data, thus potential data leakage from…

Cryptography and Security · Computer Science 2021-09-17 Minxing Zhang , Zhaochun Ren , Zihan Wang , Pengjie Ren , Zhumin Chen , Pengfei Hu , Yang Zhang

This paper proposes a novel paradigm for facial privacy protection that unifies multiple characteristics including anonymity, diversity, reversibility and security within a single lightweight framework. We name it PRO-Face S, short for…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Lin Yuan , Kai Liang , Xiao Pu , Yan Zhang , Jiaxu Leng , Tao Wu , Nannan Wang , Xinbo Gao

Membership Inference Attacks have emerged as a dominant method for empirically measuring privacy leakage from machine learning models. Here, privacy is measured by the {\em{advantage}} or gap between a score or a function computed on the…

Machine Learning · Computer Science 2024-05-27 Ruihan Wu , Pengrun Huang , Kamalika Chaudhuri

As the number of parameters in Deep Neural Networks (DNNs) scales, the thirst for training data also increases. To save costs, it has become common for users and enterprises to delegate time-consuming data collection to third parties.…

Cryptography and Security · Computer Science 2023-10-17 Ziqiang Li , Pengfei Xia , Hong Sun , Yueqi Zeng , Wei Zhang , Bin Li

Modeling what makes an advertisement persuasive, i.e., eliciting the desired response from consumer, is critical to the study of propaganda, social psychology, and marketing. Despite its importance, computational modeling of persuasion in…

Graph Neural Networks (GNNs) have recently been widely adopted in multiple domains. Yet, they are notably vulnerable to adversarial and backdoor attacks. In particular, backdoor attacks based on subgraph insertion have been shown to be…

Cryptography and Security · Computer Science 2024-06-18 Dingqiang Yuan , Xiaohua Xu , Lei Yu , Tongchang Han , Rongchang Li , Meng Han

Security questions are one of the mechanisms used to recover passwords. Strong answers to security questions (i.e. high entropy) are hard for attackers to guess or obtain using social engineering techniques (e.g. monitoring of social…

Cryptography and Security · Computer Science 2017-09-26 Nicholas Micallef , Nalin Asanka Gamagedara Arachchilage

Today, offline attacks are one of the most severe threats to password security. These attacks have claimed millions of passwords from prominent websites including Yahoo, LinkedIn, Twitter, Sony, Adobe and many more. Therefore, as a…

Cryptography and Security · Computer Science 2020-09-15 Harshal Tupsamudre , Sachin Lodha

Phishing is an online identity theft that aims to steal sensitive information such as username, password and online banking details from its victims. Phishing education needs to be considered as a means to combat this threat. This paper…

Computers and Society · Computer Science 2015-11-12 Nalin Asanka Gamagedara Arachchilage

With rapid advancements in electronic gadgets, the security and privacy aspects of these devices are significant. For the design of secure systems, physical unclonable function (PUF) and true random number generator (TRNG) are critical…

Cryptography and Security · Computer Science 2022-11-08 Simranjeet Singh , Furqan Zahoor , Gokulnath Rajendran , Sachin Patkar , Anupam Chattopadhyay , Farhad Merchant

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…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Esha Sarkar , Hadjer Benkraouda , Michail Maniatakos

Face Recognition (FR) systems can be easily deceived by adversarial examples that manipulate benign face images through imperceptible perturbations. Adversarial attacks on FR encompass two types: impersonation (targeted) attacks and dodging…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Fengfan Zhou , Qianyu Zhou , Bangjie Yin , Hui Zheng , Xuequan Lu , Lizhuang Ma , Hefei Ling

Modern authentication systems store hashed values of passwords of users using cryptographic hash functions. Therefore, to crack a password an attacker needs to guess a hash function input that is mapped to the hashed value, as opposed to…

Cryptography and Security · Computer Science 2019-11-28 Yair Yona , Suhas Diggavi

Presentation Attack Detection (PAD) systems are usually designed independently of the fingerprint verification system. While this can be acceptable for use cases where specific user templates are not predetermined, it represents a missed…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Marco Micheletto , Giulia Orrù , Luca Ghiani , Gian Luca Marcialis