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With the increasing emphasis on privacy regulations, such as GDPR, protecting individual privacy and ensuring compliance have become critical concerns for both individuals and organizations. Privacy-preserving machine learning (PPML) is an…

Cryptography and Security · Computer Science 2024-11-15 Tianpei Lu , Bingsheng Zhang , Lichun Li , Kui Ren

Trilateration is one of the well-known threat models to the user's location privacy in location-based apps, especially those contain highly sensitive information such as dating apps. The threat model mainly bases on the publicly shown…

Computers and Society · Computer Science 2016-04-29 Nguyen Phong Hoang , Yasuhito Asano , Masatoshi Yoshikawa

We study an information-theoretic privacy mechanism design, where an agent observes useful data $Y$ and wants to reveal the information to a user. Since the useful data is correlated with the private data $X$, the agent uses a privacy…

Information Theory · Computer Science 2025-01-22 Amirreza Zamani , Parastoo Sadeghi , Mikael Skoglund

By offering sophisticated services and centralizing a huge volume of personal data, modern smartphones changed the way we socialize, entertain and work. To this aim, they rely upon complex hardware/software frameworks leading to a number of…

Multimedia · Computer Science 2014-10-27 Wojciech Mazurczyk , Luca Caviglione

Next-generation systems aim to increase both the speed and responsiveness of wireless communications, while supporting compelling applications such as edge and cloud computing, remote-Health, vehicle-to-infrastructure communications, etc.…

Signal Processing · Electrical Eng. & Systems 2021-09-21 Zhongxiang Wei , Christos Masouros , H. Vincent Poor , Athina P. Petropulu , Lajos Hanzo

A novel private communication framework is proposed where privacy is induced by transmitting over a channel instances of linear inverse problems that are identifiable to the legitimate receiver but unidentifiable to an eavesdropper. The gap…

Information Theory · Computer Science 2024-07-24 Maxime Ferreira Da Costa , Jianxiu Li , Urbashi Mitra

In the past decade analysis of big data has proven to be extremely valuable in many contexts. Local Differential Privacy (LDP) is a state-of-the-art approach which allows statistical computations while protecting each individual user's…

Cryptography and Security · Computer Science 2019-07-30 Björn Bebensee

Differential privacy (DP) has arisen as the state-of-the-art metric for quantifying individual privacy when sensitive data are analyzed, and it is starting to see practical deployment in organizations such as the US Census Bureau, Apple,…

Cryptography and Security · Computer Science 2020-04-21 Sameer Wagh , Xi He , Ashwin Machanavajjhala , Prateek Mittal

The introduction and advancements in Local Differential Privacy (LDP) variants have become a cornerstone in addressing the privacy concerns associated with the vast data produced by smart devices, which forms the foundation for data-driven…

Cryptography and Security · Computer Science 2023-09-13 Likun Qin , Nan Wang , Tianshuo Qiu

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

The growing popularity of location-based systems, allowing unknown/untrusted servers to easily collect huge amounts of information regarding users' location, has recently started raising serious privacy concerns. In this paper we study…

Cryptography and Security · Computer Science 2014-02-21 Miguel E. Andrés , Nicolás E. Bordenabe , Konstantinos Chatzikokolakis , Catuscia Palamidessi

Organizations with a large user base, such as Samsung and Google, can potentially benefit from collecting and mining users' data. However, doing so raises privacy concerns, and risks accidental privacy breaches with serious consequences.…

Databases · Computer Science 2016-06-17 Thông T. Nguyên , Xiaokui Xiao , Yin Yang , Siu Cheung Hui , Hyejin Shin , Junbum Shin

The public sharing of user information opens the door for adversaries to infer private data, leading to privacy breaches and facilitating malicious activities. While numerous studies have concentrated on privacy leakage via public user…

Machine Learning · Computer Science 2024-07-29 Hanyang Yuan , Jiarong Xu , Cong Wang , Ziqi Yang , Chunping Wang , Keting Yin , Yang Yang

Consider the following problem: given a metric space, some of whose points are "clients", open a set of at most $k$ facilities to minimize the average distance from the clients to these facilities. This is just the well-studied $k$-median…

Data Structures and Algorithms · Computer Science 2009-11-11 Anupam Gupta , Katrina Ligett , Frank McSherry , Aaron Roth , Kunal Talwar

With the pervasive use of smartphones that sense, collect, and process valuable information about the environment, ensuring location privacy has become one of the most important concerns in the modern age. A few recent research studies…

Cryptography and Security · Computer Science 2018-02-06 Arsalan Mosenia , Xiaoliang Dai , Prateek Mittal , Niraj Jha

Smartphone location-based methods have been proposed and implemented as an effective alternative to traditional labor intensive contact tracing methods. However, there are serious privacy and security concerns that may impede wide-spread…

Computers and Society · Computer Science 2020-06-16 Ssu-Hsin Yu

Location data privacy has become a serious concern for users as Location Based Services (LBSs) have become an important part of their life. It is possible for malicious parties having access to geolocation data to learn sensitive…

Cryptography and Security · Computer Science 2023-09-13 Alban Héon , Ryan Sheatsley , Quinn Burke , Blaine Hoak , Eric Pauley , Yohan Beugin , Patrick McDaniel

Local differential privacy (LDP) has emerged as a promising paradigm for privacy-preserving data collection in distributed systems, where users contribute multi-dimensional records with potentially correlated attributes. Recent work has…

Cryptography and Security · Computer Science 2025-08-20 Sandaru Jayawardana , Sennur Ulukus , Ming Ding , Kanchana Thilakarathna

Powerful recognition algorithms are widely used in the Internet or important medical systems, which poses a serious threat to personal privacy. Although the law provides for diversity protection, e.g. The General Data Protection Regulation…

Cryptography and Security · Computer Science 2022-02-15 Hao Wang , Yu Bai , Guangmin Sun , Jie Liu

Differential privacy (DP) has become the gold standard for preserving individual privacy in data analysis. However, an implicit yet fundamental assumption underlying these rigorous privacy guarantees is the correct implementation and…

Cryptography and Security · Computer Science 2026-03-17 Haochen Sun , Xi He