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Information leakage to a guessing adversary in index coding is studied, where some messages in the system are sensitive and others are not. The non-sensitive messages can be used by the server like secret keys to mitigate leakage of the…

Information Theory · Computer Science 2022-05-24 Yucheng Liu , Lawrence Ong , Phee Lep Yeoh , Parastoo Sadeghi , Joerg Kliewer , Sarah Johnson

In federated learning, multiple parties collaborate in order to train a global model over their respective datasets. Even though cryptographic primitives (e.g., homomorphic encryption) can help achieve data privacy in this setting, some…

Cryptography and Security · Computer Science 2020-11-13 Javad Ghareh Chamani , Dimitrios Papadopoulos

Wireless communication systems, such as wireless sensor networks and RFIDs, are increasingly adopted to transfer potential highly sensitive information. Since the wireless medium has a sharing nature, adversaries have a chance to eavesdrop…

Cryptography and Security · Computer Science 2017-10-27 Jialin Wan , Siyao Cheng , Shanshan Han , Jianzhong Li

Query routing, the task to route user queries to different large language model (LLM) endpoints, can be considered as a text classification problem. However, out-of-distribution queries must be handled properly, as those could be about…

Artificial Intelligence · Computer Science 2026-01-29 Richard Šléher , William Brach , Tibor Sloboda , Kristián Košťál , Lukas Galke

Many types of attacks on confidentiality stem from the nondeterministic nature of the environment that computer programs operate in (e.g., schedulers and asynchronous communication channels). In this paper, we focus on verification of…

Logic in Computer Science · Computer Science 2023-01-27 Tzu-Han Hsu , Borzoo Bonakdarpour , Bernd Finkbeiner , César Sánchez

The efficacy of address space layout randomization has been formally demonstrated in a shared-memory model by Abadi et al., contingent on specific assumptions about victim programs. However, modern operating systems, implementing layout…

Cryptography and Security · Computer Science 2025-04-14 Davide Davoli , Martin Avanzini , Tamara Rezk

We consider a system consisting of a single transmitter/receiver pair and $N$ channels over which they may communicate. Packets randomly arrive to the transmitter's queue and wait to be successfully sent to the receiver. The transmitter may…

Performance · Computer Science 2020-05-15 Thomas Stahlbuhk , Brooke Shrader , Eytan Modiano

In this paper, we identify a new form of attack, called the Balance attack, against proof-of-work blockchain systems. The novelty of this attack consists of delaying network communications between multiple subgroups of nodes with balanced…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-01-02 Christopher Natoli , Vincent Gramoli

Over the last two decades, the danger of sharing resources between programs has been repeatedly highlighted. Multiple side-channel attacks, which seek to exploit shared components for leaking information, have been devised, mostly targeting…

Cryptography and Security · Computer Science 2022-01-28 Daniel Genkin , William Kosasih , Fangfei Liu , Anna Trikalinou , Thomas Unterluggauer , Yuval Yarom

We introduce a new algorithm for online linear-quadratic control in a known system subject to adversarial disturbances. Existing regret bounds for this setting scale as $\sqrt{T}$ unless strong stochastic assumptions are imposed on the…

Machine Learning · Computer Science 2020-06-24 Dylan J. Foster , Max Simchowitz

Traditional federated learning (FL) relies on a central aggregator server, which can create performance bottlenecks and privacy risks. Decentralized mix-and-forward designs remove the server, but repeated local mixing can attenuate global…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-15 Naicheng Li , Javad Dogani , Rui Wang , Kaitai Liang , Nikolaos Laoutaris

This letter considers a multi-access mobile edge computing (MEC) network consisting of multiple users, multiple base stations, and a malicious eavesdropper. Specifically, the users adopt the partial offloading strategy by partitioning the…

Information Theory · Computer Science 2021-09-22 Mingxiong Zhao , Huiqi Bao , Li Yin , Jianping Yao , Tony Q. S. Quek

Heterogeneity has grown in popularity both at the core and server level as a way to improve both performance and energy efficiency. However, despite these benefits, scheduling applications in heterogeneous machines remains challenging.…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-04-19 Francisco Romero , Christina Delimitrou

In the classical caching problem, when a requested page is not present in the cache (i.e., a "miss"), it is assumed to travel from the backing store into the cache "before" the next request arrives. However, in many real-life applications,…

Data Structures and Algorithms · Computer Science 2025-01-29 Keerthana Gurushankar , Noah G. Singer , Bernardo Subercaseaux

We propose an efficient scheme for generating fake network traffic to disguise the real event notification in the presence of a global eavesdropper, which is especially relevant for the quality of service in delay-intolerant applications…

Cryptography and Security · Computer Science 2010-12-03 Silvija Kokalj-Filipovic , Fabrice Le Fessant , Predrag Spasojevic

We consider the problem of scheduling in multi-class, parallel-server queuing systems with uncertain rewards from job-server assignments. In this scenario, jobs incur holding costs while awaiting completion, and job-server assignments yield…

Machine Learning · Computer Science 2025-08-15 Jung-hun Kim , Milan Vojnovic

In High Performance Computing, systems are evaluated based on their computational throughput. However, performance in contemporary server processors is primarily limited by power and thermal constraints. Ensuring operation within a given…

Hardware Architecture · Computer Science 2021-10-26 Robert Schöne , Thomas Ilsche , Mario Bielert , Markus Velten , Markus Schmidl , Daniel Hackenberg

Object detection is a fundamental enabler for many real-time downstream applications such as autonomous driving, augmented reality and supply chain management. However, the algorithmic backbone of neural networks is brittle to imperceptible…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Tianyi Wang , Zichen Wang , Cong Wang , Yuanchao Shu , Ruilong Deng , Peng Cheng , Jiming Chen

A large body of work shows that machine learning (ML) models can leak sensitive or confidential information about their training data. Recently, leakage due to distribution inference (or property inference) attacks is gaining attention. In…

Cryptography and Security · Computer Science 2022-09-20 Valentin Hartmann , Léo Meynent , Maxime Peyrard , Dimitrios Dimitriadis , Shruti Tople , Robert West

Making serverless computing widely applicable requires detailed performance understanding. Although contemporary benchmarking approaches exist, they report only coarse results, do not apply distributed tracing, do not consider asynchronous…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-17 Joel Scheuner , Simon Eismann , Sacheendra Talluri , Erwin van Eyk , Cristina Abad , Philipp Leitner , Alexandru Iosup