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The rapid advancement of Internet-connected vehicle technologies has introduced a new era of smart mobility, while simultaneously raising significant cybersecurity and privacy concerns. This paper explores the evolving threat landscape…

Cryptography and Security · Computer Science 2025-08-22 Henrietta Hegyi , Laszlo Erdodi

As social networking takes to the mobile world, smartphone apps provide users with ever-changing ways to interact with each other. Over the past couple of years, an increasing number of apps have entered the market offering end-to-end…

Cryptography and Security · Computer Science 2016-02-02 Lucky Onwuzurike , Emiliano De Cristofaro

Assisted-navigation applications have a relevant impact on our daily life. However, technological progress in virtualization technologies and Software-Defined Radios recently enabled new attack vectors, namely, road traffic poisoning. These…

Cryptography and Security · Computer Science 2021-05-06 Simone Raponi , Savio Sciancalepore , Gabriele Oligeri , Roberto Di Pietro

Instant messaging platforms such as Telegram became one of the main means of communication used by people all over the world. Most of them are home of several groups and channels that connect thousands of people focused on political topics.…

Social and Information Networks · Computer Science 2022-02-11 Manoel Júnior , Philipe Melo , Daniel Kansaon , Vitor Mafra , Kaio Sá , Fabrício Benevenuto

Traffic sign recognition is an essential component of perception in autonomous vehicles, which is currently performed almost exclusively with deep neural networks (DNNs). However, DNNs are known to be vulnerable to adversarial attacks.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Svetlana Pavlitska , Nico Lambing , J. Marius Zöllner

Open proxies forward traffic on behalf of any Internet user. Listed on open proxy aggregator sites, they are often used to bypass geographic region restrictions or circumvent censorship. Open proxies sometimes also provide a weak form of…

Cryptography and Security · Computer Science 2018-06-28 Akshaya Mani , Tavish Vaidya , David Dworken , Micah Sherr

Research and development of techniques which detect or remediate malicious network activity require access to diverse, realistic, contemporary data sets containing labeled malicious connections. In the absence of such data, said techniques…

Cryptocurrency pump-and-dump schemes coordinated via Telegram threaten market integrity. However, existing research addressing this specific threat has not yet produced solutions that combine reliable results with fast response. This is in…

Computation and Language · Computer Science 2026-05-12 Ahmed Mahrous , Roberto Di Pietro

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

Virtually every connection to an Internet service is preceded by a DNS lookup which is performed without any traffic-level protection, thus enabling manipulation, redirection, surveillance, and censorship. To address these issues, large…

Cryptography and Security · Computer Science 2019-10-08 Sandra Siby , Marc Juarez , Claudia Diaz , Narseo Vallina-Rodriguez , Carmela Troncoso

This study investigates the privacy risks associated with text embeddings, focusing on the scenario where attackers cannot access the original embedding model. Contrary to previous research requiring direct model access, we explore a more…

Cryptography and Security · Computer Science 2025-01-15 Yu-Hsiang Huang , Yuche Tsai , Hsiang Hsiao , Hong-Yi Lin , Shou-De Lin

The Internet has recently witnessed unprecedented growth of a class of connected assets called the Internet of Things (IoT). Due to relatively immature manufacturing processes and limited computing resources, IoTs have inadequate…

Cryptography and Security · Computer Science 2023-10-18 Arman Pashamokhtari

With the rising popularity of the internet and the widespread use of networks and information systems via the cloud and data centers, the privacy and security of individuals and organizations have become extremely crucial. In this…

Cryptography and Security · Computer Science 2024-02-27 Zakaria Tolba

Anonymous communication networks have emerged as crucial tools for obfuscating communication pathways and concealing user identities. However, their practical deployments face significant challenges, including susceptibility to artificial…

Cryptography and Security · Computer Science 2025-08-05 Chao Ge , Wei Yuan , Ge Chen , Yanbin Pan , Yuan Shen

Mobile devices have access to personal, potentially sensitive data, and there is a large number of mobile applications and third-party libraries that transmit this information over the network to remote servers (including app developer…

Cryptography and Security · Computer Science 2022-06-07 Evita Bakopoulou , Anastasia Shuba , Athina Markopoulou

As privacy features in Android operating system improve, privacy-invasive apps may gradually shift their focus to non-standard and covert channels for leaking private user/device information. Such leaks also remain largely undetected by…

Cryptography and Security · Computer Science 2022-10-03 Sajjad Pourali , Nayanamana Samarasinghe , Mohammad Mannan

Most discussions about Large Language Model (LLM) safety have focused on single-agent settings but multi-agent LLM systems now create novel adversarial risks because their behavior depends on communication between agents and decentralized…

Multiagent Systems · Computer Science 2025-10-10 Rana Muhammad Shahroz Khan , Zhen Tan , Sukwon Yun , Charles Fleming , Tianlong Chen

Large Language Models (LLMs) are increasingly being integrated into various applications. The functionalities of recent LLMs can be flexibly modulated via natural language prompts. This renders them susceptible to targeted adversarial…

Cryptography and Security · Computer Science 2023-05-08 Kai Greshake , Sahar Abdelnabi , Shailesh Mishra , Christoph Endres , Thorsten Holz , Mario Fritz

The majority of electronic communication today happens either via email or chat. Thanks to the use of standardised protocols electronic mail (SMTP, IMAP, POP3) and instant chat (XMPP, IRC) servers can be deployed in a decentralised but…

Cryptography and Security · Computer Science 2016-01-26 Ralph Holz , Johanna Amann , Olivier Mehani , Matthias Wachs , Mohamed Ali Kaafar

Stream-based communication dominates today's Internet, posing unique challenges for anonymous communication networks (ACNs). Traditionally designed for independent messages, ACNs struggle to account for the inherent vulnerabilities of…

Cryptography and Security · Computer Science 2025-04-22 Christoph Döpmann , Maximilian Weisenseel , Florian Tschorsch