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Network tomography plays a crucial role in network monitoring and management, where network topology serves as the fundamental basis for various tomography tasks including traffic matrix estimation and link performance inference. The…

密码学与安全 · 计算机科学 2025-05-08 Chengze Du , Jibin Shi , Hui Xu , Guangzhen Yao

With the popularity of smartphones, mobile applications (apps) have penetrated the daily life of people. Although apps provide rich functionalities, they also access a large amount of personal information simultaneously. As a result,…

密码学与安全 · 计算机科学 2021-12-24 Shuang Zhao , Shuhui Chen , Ziling Wei

In pervasive computing environments, Location- Based Services (LBSs) are becoming increasingly important due to continuous advances in mobile networks and positioning technologies. Nevertheless, the wide deployment of LBSs can jeopardize…

密码学与安全 · 计算机科学 2016-11-17 Lin Yao , Chi Lin , Xiangwei Kong , Feng Xia , Guowei Wu

Contact tracing is paramount to fighting the pandemic but it comes with legitimate privacy concerns. This paper proposes a system enabling both, contact tracing and data privacy. We propose the use of the Intel SGX trusted execution…

计算机与社会 · 计算机科学 2020-06-26 David Sturzenegger , Aetienne Sardon , Stefan Deml , Thomas Hardjono

Trajectory streams are being generated from location-aware devices, such as smartphones and in-vehicle navigation systems. Due to the sensitive nature of the location data, directly sharing user trajectories suffers from privacy leakage…

数据库 · 计算机科学 2024-04-18 Yujia Hu , Yuntao Du , Zhikun Zhang , Ziquan Fang , Lu Chen , Kai Zheng , Yunjun Gao

Crowdsourcing enables application developers to benefit from large and diverse datasets at a low cost. Specifically, mobile crowdsourcing (MCS) leverages users' devices as sensors to perform geo-located data collection. The collection of…

密码学与安全 · 计算机科学 2019-06-06 Spyros Boukoros , Mathias Humbert , Stefan Katzenbeisser , Carmela Troncoso

Privacy-preservation for sensitive data has become a challenging issue in cloud computing. Threat modeling as a part of requirements engineering in secure software development provides a structured approach for identifying attacks and…

密码学与安全 · 计算机科学 2016-04-05 Ali Gholami , Anna-Sara Lind , Jane Reichel , Jan-Eric Litton , Ake Edlund , Erwin Laure

Deep neural networks are increasingly being used in a variety of machine learning applications applied to rich user data on the cloud. However, this approach introduces a number of privacy and efficiency challenges, as the cloud operator…

计算机视觉与模式识别 · 计算机科学 2017-10-13 Seyed Ali Osia , Ali Shahin Shamsabadi , Ali Taheri , Kleomenis Katevas , Hamid R. Rabiee , Nicholas D. Lane , Hamed Haddadi

Cross-device tracking has drawn growing attention from both commercial companies and the general public because of its privacy implications and applications for user profiling, personalized services, etc. One particular, wide-used type of…

密码学与安全 · 计算机科学 2022-03-15 Binghui Wang , Tianchen Zhou , Song Li , Yinzhi Cao , Neil Zhenqiang Gong

Contact tracing is an important measure to counter the COVID-19 pandemic. In the early phase, many countries employed manual contact tracing to contain the rate of disease spread, however it has many issues. The manual approach is…

密码学与安全 · 计算机科学 2020-05-22 Rajan M A , Manish Shukla , Sachin Lodha

gRPC is at the heart of modern distributed system architectures. Based on HTTP/2 and Protocol Buffers, it provides highly performant, standardized, and polyglot communication across loosely coupled microservices and is increasingly…

密码学与安全 · 计算机科学 2024-04-09 Louis Loechel , Siar-Remzi Akbayin , Elias Grünewald , Jannis Kiesel , Inga Strelnikova , Thomas Janke , Frank Pallas

Sharing trajectories is beneficial for many real-world applications, such as managing disease spread through contact tracing and tailoring public services to a population's travel patterns. However, public concern over privacy and data…

数据库 · 计算机科学 2021-08-23 Teddy Cunningham , Graham Cormode , Hakan Ferhatosmanoglu , Divesh Srivastava

The prevalence of location-based services contributes to the explosive growth of individual-level trajectory data and raises public concerns about privacy issues. In this research, we propose a novel LSTM-TrajGAN approach, which is an…

机器学习 · 计算机科学 2020-06-19 Jinmeng Rao , Song Gao , Yuhao Kang , Qunying Huang

Over the past years, literature has shown that attacks exploiting the microarchitecture of modern processors pose a serious threat to the privacy of mobile phone users. This is because applications leave distinct footprints in the…

密码学与安全 · 计算机科学 2020-07-09 Berk Gulmezoglu , Andreas Zankl , M. Caner Tol , Saad Islam , Thomas Eisenbarth , Berk Sunar

In this paper, we incorporate the realistic scenario of key protection into link privacy preserving and propose the target-link privacy preserving (TPP) model: target links referred to as targets are the most important and sensitive…

密码学与安全 · 计算机科学 2020-02-11 Zhongyuan Jiang , Lichao Sun , Philip S. Yu , Hui Li , Jianfeng Ma , Yulong Shen

Driving trajectory data remains vulnerable to privacy breaches despite existing mitigation measures. Traditional methods for detecting driving trajectories typically rely on map-matching the path using Global Positioning System (GPS) data,…

密码学与安全 · 计算机科学 2025-07-15 Xiaojie Lin , Baihe Ma , Xu Wang , Guangsheng Yu , Ying He , Wei Ni , Ren Ping Liu

As sensors become ever more prevalent, more and more information will be collected about each of us. A longterm research question is how best to support beneficial uses while preserving individual privacy. Presence systems are an emerging…

密码学与安全 · 计算机科学 2011-05-04 Eleanor Rieffel , Jacob Biehl , William van Melle , Adam J. Lee

Governments and researchers around the world are implementing digital contact tracing solutions to stem the spread of infectious disease, namely COVID-19. Many of these solutions threaten individual rights and privacy. Our goal is to break…

密码学与安全 · 计算机科学 2020-04-23 Alex Berke , Michiel Bakker , Praneeth Vepakomma , Kent Larson , Alex 'Sandy' Pentland

Privacy-preservation for sensitive data has become a challenging issue in cloud computing. Threat modeling as a part of requirements engineering in secure software development provides a structured approach for identifying attacks and…

软件工程 · 计算机科学 2016-01-08 Ali Gholami , Erwin Laure

Trajectory collection is essential for location-based services, yet it can reveal highly sensitive information about users, such as daily routines and activities, raising serious privacy concerns. Local Differential Privacy (LDP) offers…

密码学与安全 · 计算机科学 2026-03-03 Ye Zheng , Yidan Hu