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As the primary mechanism of digital authentication, user-created passwords exhibit common patterns and regularities that can be learned from leaked datasets. Password choices are profoundly shaped by external factors, including social…

Cryptography and Security · Computer Science 2025-10-28 Xudong Yang , Jincheng Li , Kaiwen Xing , Zhenjia Xiao , Mingjian Duan , Weili Han , Hu Xiong

We present a framework by which websites can coordinate to make it difficult for users to set similar passwords at these websites, in an effort to break the culture of password reuse on the web today. Though the design of such a framework…

Cryptography and Security · Computer Science 2021-03-05 Ke Coby Wang , Michael K. Reiter

Previous works have validated that text generation APIs can be stolen through imitation attacks, causing IP violations. In order to protect the IP of text generation APIs, a recent work has introduced a watermarking algorithm and utilized…

Cryptography and Security · Computer Science 2022-09-20 Xuanli He , Qiongkai Xu , Yi Zeng , Lingjuan Lyu , Fangzhao Wu , Jiwei Li , Ruoxi Jia

Online questionnaires that use crowd-sourcing platforms to recruit participants have become commonplace, due to their ease of use and low costs. Artificial Intelligence (AI) based Large Language Models (LLM) have made it easy for bad actors…

Human-Computer Interaction · Computer Science 2024-02-02 Benjamin Lebrun , Sharon Temtsin , Andrew Vonasch , Christoph Bartneck

For conventional secret sharing, if cheaters can submit possibly forged shares after observing shares of the honest users in the reconstruction phase then they cannot only disturb the protocol but also only they may reconstruct the true…

Cryptography and Security · Computer Science 2018-03-08 Masahito Hayashi , Takeshi Koshiba

Recent advances in large language models (LLMs) have made a profound impact on our society and also raised new security concerns. Particularly, due to the remarkable inference ability of LLMs, the privacy violation attack (PVA), revealed by…

Cryptography and Security · Computer Science 2025-06-26 Wanli Peng , Xin Chen , Hang Fu , XinYu He , Xue Yiming , Juan Wen

Privacy is of the utmost importance in genomic matching. Therefore a number of privacy-preserving protocols have been presented using secure computation. Nevertheless, none of these protocols prevents inferences from the result. Goodrich…

Cryptography and Security · Computer Science 2014-05-02 Florian Kerschbaum , Martin Beck , Dagmar Schönfeld

Building a natural language dataset requires caution since word semantics is vulnerable to subtle text change or the definition of the annotated concept. Such a tendency can be seen in generative tasks like question-answering and dialogue…

Computation and Language · Computer Science 2023-04-04 Won Ik Cho , Yoon Kyung Lee , Seoyeon Bae , Jihwan Kim , Sangah Park , Moosung Kim , Sowon Hahn , Nam Soo Kim

Existing question answering datasets focus on dealing with homogeneous information, based either only on text or KB/Table information alone. However, as human knowledge is distributed over heterogeneous forms, using homogeneous information…

Computation and Language · Computer Science 2021-05-13 Wenhu Chen , Hanwen Zha , Zhiyu Chen , Wenhan Xiong , Hong Wang , William Wang

The growing prominence of large language models, such as GPT-4 and ChatGPT, has led to increased concerns over academic integrity due to the potential for machine-generated content and paraphrasing. Although studies have explored the…

Computation and Language · Computer Science 2023-03-27 Jonas Becker , Jan Philip Wahle , Terry Ruas , Bela Gipp

In this work we analyze the problem of, given the probability distribution of a population, questioning an unknown individual that is representative of the distribution so that our uncertainty about certain characteristics is significantly…

Computational Complexity · Computer Science 2026-01-22 David Pantoja , Ismael Rodriguez , Fernando Rubio , Clara Segura

Most tasks in NLP require labeled data. Data labeling is often done on crowdsourcing platforms due to scalability reasons. However, publishing data on public platforms can only be done if no privacy-relevant information is included. Textual…

Computation and Language · Computer Science 2023-03-07 Nina Mouhammad , Johannes Daxenberger , Benjamin Schiller , Ivan Habernal

This research addresses privacy protection in Natural Language Processing (NLP) by introducing a novel algorithm based on differential privacy, aimed at safeguarding user data in common applications such as chatbots, sentiment analysis, and…

Cryptography and Security · Computer Science 2024-10-14 Shaobo Liu , Guiran Liu , Binrong Zhu , Yuanshuai Luo , Linxiao Wu , Rui Wang

Crowdsourcing refers to the arrangement in which contributions are solicited from a large group of unrelated people. Due to this nature, crowdsourcers (or task requesters) often face uncertainty about the workers' capabilities which, in…

Multiagent Systems · Computer Science 2016-01-25 Han Yu

Phishing is an increasingly sophisticated form of cyberattack that is inflicting huge financial damage to corporations throughout the globe while also jeopardizing individuals' privacy. Attackers are constantly devising new methods of…

Cryptography and Security · Computer Science 2024-03-18 Asif Newaz , Farhan Shahriyar Haq , Nadim Ahmed

For more than a decade now, academicians and online platform administrators have been studying solutions to the problem of bot detection. Bots are computer algorithms whose use is far from being benign: malicious bots are purposely created…

Cryptography and Security · Computer Science 2025-06-25 Rocco De Nicola , Marinella Petrocchi , Manuel Pratelli

Phishing is an online identity theft, which aims to steal sensitive information such as username, password and online banking details from victims. To prevent this, phishing education needs to be considered. Game based education is becoming…

Computers and Society · Computer Science 2015-11-24 Nalin Asanka Gamagedara Arachchilage , Ali Tarhini , Steve Love

Recent advancements in neural language modelling make it possible to rapidly generate vast amounts of human-sounding text. The capabilities of humans and automatic discriminators to detect machine-generated text have been a large source of…

Computation and Language · Computer Science 2020-05-11 Daphne Ippolito , Daniel Duckworth , Chris Callison-Burch , Douglas Eck

As billions of personal data being shared through social media and network, the data privacy and security have drawn an increasing attention. Several attempts have been made to alleviate the leakage of identity information from face photos,…

Machine Learning · Computer Science 2021-08-17 Xiao Yang , Yinpeng Dong , Tianyu Pang , Hang Su , Jun Zhu , Yuefeng Chen , Hui Xue

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