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Related papers: Practical Hash-based Anonymity for MAC Addresses

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Face recognition technology has been deployed in various real-life applications. The most sophisticated deep learning-based face recognition systems rely on training millions of face images through complex deep neural networks to achieve…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Dong Han , Yong Li , Joachim Denzler

The wide adoption and application of Masked language models~(MLMs) on sensitive data (from legal to medical) necessitates a thorough quantitative investigation into their privacy vulnerabilities -- to what extent do MLMs leak information…

Machine Learning · Computer Science 2022-11-07 Fatemehsadat Mireshghallah , Kartik Goyal , Archit Uniyal , Taylor Berg-Kirkpatrick , Reza Shokri

Machine learning (ML) algorithms are heavily based on the availability of training data, which, depending on the domain, often includes sensitive information about data providers. This raises critical privacy concerns. Anonymization…

Machine Learning · Computer Science 2025-11-03 Héber H. Arcolezi , Mina Alishahi , Adda-Akram Bendoukha , Nesrine Kaaniche

The proliferation of large AI models trained on uncurated, often sensitive web-scraped data has raised significant privacy concerns. One of the concerns is that adversaries can extract information about the training data using privacy…

Machine Learning · Computer Science 2024-07-24 Dominik Hintersdorf , Lukas Struppek , Daniel Neider , Kristian Kersting

Given a set $S$ of $n$ keys, a perfect hash function for $S$ maps the keys in $S$ to the first $m \geq n$ integers without collisions. It may return an arbitrary result for any key not in $S$ and is called minimal if $m = n$. The most…

Data Structures and Algorithms · Computer Science 2026-02-06 Hans-Peter Lehmann , Thomas Mueller , Rasmus Pagh , Giulio Ermanno Pibiri , Peter Sanders , Sebastiano Vigna , Stefan Walzer

We present the first quantum anonymous notification (QAN) protocol that introduces anonymity and paves the way for anonymous secure quantum communication in quantum networks. QAN protocol has applications ranging from multiparty quantum…

Quantum Physics · Physics 2020-07-23 Awais Khan , Junaid ur Rehman , Hyundong Shin

We suggest the use of hash functions to cut down the communication costs when counting subgraphs under edge local differential privacy. While various algorithms exist for computing graph statistics, including the count of subgraphs, under…

Cryptography and Security · Computer Science 2025-08-15 Quentin Hillebrand , Vorapong Suppakitpaisarn , Tetsuo Shibuya

A new achievability rate region for the secure discrete memoryless Multiple-Access-Channel (MAC) is presented. Thereafter, a novel secure coding scheme is proposed to achieve a positive Secure Degrees-of-Freedom (S-DoF) in the…

Information Theory · Computer Science 2010-01-13 Ghadamali Bagherikaram , Abolfazl S. Motahari , Amir K. Khandani

Anonymous routing protocols are used in MANET's to hide the nodes from outsiders in order to protect from various attacks. HPAR partitions the network area dynamically into zones and chooses nodes in zones randomly as intermediate relay…

Networking and Internet Architecture · Computer Science 2016-05-11 Fahmida Aseez , Sheena Mathew

We investigate the problem of maintaining an encoded distributed storage system when some nodes contain adversarial errors. Using the error-correction capabilities that are built into the existing redundancy of the system, we propose a…

Cryptography and Security · Computer Science 2015-03-17 Theodoros K. Dikaliotis , Alexandros G. Dimakis , Tracey Ho

Vast amounts of information of all types are collected daily about people by governments, corporations and individuals. The information is collected when users register to or use on-line applications, receive health related services, use…

Cryptography and Security · Computer Science 2019-05-29 Eyal Nussbaum , Michael Segal

We introduce a new privacy model relying on bistochastic matrices, that is, matrices whose components are nonnegative and sum to 1 both row-wise and column-wise. This class of matrices is used to both define privacy guarantees and a tool to…

Cryptography and Security · Computer Science 2022-07-11 Nicolas Ruiz , Josep Domingo-Ferrer

In response to rising societal awareness of privacy concerns, face anonymization techniques have advanced, including the emergence of face-swapping methods that replace one identity with another. Achieving a balance between anonymity and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Haruka Kumagai , Leslie Wöhler , Satoshi Ikehata , Kiyoharu Aizawa

Microaggregation is a technique for disclosure limitation aimed at protecting the privacy of data subjects in microdata releases. It has been used as an alternative to generalization and suppression to generate $k$-anonymous data sets,…

Cryptography and Security · Computer Science 2016-08-06 Jordi Soria-Comas , Josep Domingo-Ferrer , David Sánchez , Sergio Martínez

Face obscuration is needed by law enforcement and mass media outlets to guarantee privacy. Sharing sensitive content where obscuration or redaction techniques have failed to completely remove all identifiable traces can lead to many legal…

Computer Vision and Pattern Recognition · Computer Science 2019-10-17 Hanxiang Hao , David Güera , János Horváth , Amy R. Reibman , Edward J. Delp

We focus on the problem of identifying samples in a set that do not conform to structured patterns represented by low-dimensional manifolds. An effective way to solve this problem is to embed data in a high dimensional space, called…

Machine Learning · Computer Science 2025-05-19 Filippo Leveni , Luca Magri , Cesare Alippi , Giacomo Boracchi

An important function of collaborative network intrusion detection is to analyze the network logs of the collaborators for joint IP addresses. However, sharing IP addresses in plain is sensitive and may be even subject to privacy…

Cryptography and Security · Computer Science 2025-10-15 Onur Eren Arpaci , Raouf Boutaba , Florian Kerschbaum

In this paper, we develop a new methodology to provide high assurance about privacy in Cooperative Intelligent Transport Systems (C-ITS). Our focus lies on vehicle-to-everything (V2X) communications enabled by Cooperative Awareness Basic…

Cryptography and Security · Computer Science 2023-01-11 Yevhen Zolotavkin , Yurii Baryshev , Vitalii Lukichov , Jannik Mähn , Stefan Köpsell

Hashing techniques are in great demand for a wide range of real-world applications such as image retrieval and network compression. Nevertheless, existing approaches could hardly guarantee a satisfactory performance with the extremely…

Information Retrieval · Computer Science 2020-02-13 Yadan Luo , Zi Huang , Yang Li , Fumin Shen , Yang Yang , Peng Cui

When working with user data providing well-defined privacy guarantees is paramount. In this work, we aim to manipulate and share an entire sparse dataset with a third party privately. In fact, differential privacy has emerged as the gold…

Cryptography and Security · Computer Science 2024-05-16 Alessandro Epasto , Hossein Esfandiari , Vahab Mirrokni , Andres Munoz Medina