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There is a growing need for cybersecurity professionals with practical knowledge and experience to meet societal needs and comply with new standards and regulations. At the same time, the advances in software technology and artificial…

Cryptography and Security · Computer Science 2026-04-02 Charilaos Skandylas , Mikael Asplund

Autonomous AI agents powered by Large Language Models can reason, plan, and execute complex tasks, but their ability to autonomously retrieve information and run code introduces significant security risks. Existing approaches attempt to…

Cryptography and Security · Computer Science 2026-04-09 Hongyi Lu , Nian Liu , Shuai Wang , Fengwei Zhang

Detecting firearms and accurately localizing individuals carrying them in images or videos is of paramount importance in security, surveillance, and content customization. However, this task presents significant challenges in complex…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Arif Mahmood , Abdul Basit , M. Akhtar Munir , Mohsen Ali

As more sensitive data is shared and stored by third-party sites on the internet, there will be a need to encrypt data stored at these sites. One drawback of encrypting data is that it can be selectively shared only at a coarse-grained…

Cryptography and Security · Computer Science 2014-07-15 Charan Kumar , Dinesh Kumar , Arun Kumar Reddy

Secret-key agreement based on biometric or physical identifiers is a promising security protocol for authenticating users or devices with small chips due to its lightweight security. In previous studies, the fundamental limits of such a…

Information Theory · Computer Science 2025-03-13 Vamoua Yachongka , Hideki Yagi , Hideki Ochiai

This work studies near-field secure communications through transmit beamfocusing. We examine the benefit of having a protected eavesdropper-free zone around the legitimate receiver, and we determine the worst-case secrecy performance…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Cen Liu , Xiangyun Zhou , Nan Yang , Salman Durrani , A. Lee Swindlehurst

In ubiquitous computing domain context awareness is an important issue. So, in ubiquitous computing, mere protection of message confidentiality is not sufficient for most of the applications where context-awareness can lead to near…

Cryptography and Security · Computer Science 2016-11-17 Arijit Ukil

In today's evolving threat landscape, ensuring digital sovereignty has become mandatory for military organizations, especially given their increased development and investment in AI-driven cyber security solutions. To this end, a…

Cryptography and Security · Computer Science 2025-09-17 Clara Maathuis , Kasper Cools

Implicit authentication consists of a server authenticating a user based on the user's usage profile, instead of/in addition to relying on something the user explicitly knows (passwords, private keys, etc.). While implicit authentication…

Cryptography and Security · Computer Science 2015-03-03 Josep Domingo-Ferrer , Qianhong Wu , Alberto Blanco-Justicia

This paper introduces a dynamic and actionable framework for securing agentic AI systems in enterprise deployment. We contend that safety and security are not merely fixed attributes of individual models but also emergent properties arising…

We introduce the safe best-arm identification framework with linear feedback, where the agent is subject to some stage-wise safety constraint that linearly depends on an unknown parameter vector. The agent must take actions in a…

Machine Learning · Statistics 2023-09-19 Xuedong Shang , Igor Colin , Merwan Barlier , Hamza Cherkaoui

Context. Service-oriented architecture and its microservice-based approach increase an attack surface of applications. Exposed microservices become a pivot point for advanced persistent threats and completely change the threat landscape.…

Cryptography and Security · Computer Science 2020-09-07 Alexander Barabanov , Denis Makrushin

Performing deep learning on end-user devices provides fast offline inference results and can help protect the user's privacy. However, running models on untrusted client devices reveals model information which may be proprietary, i.e., the…

Cryptography and Security · Computer Science 2019-08-29 Peter M. VanNostrand , Ioannis Kyriazis , Michelle Cheng , Tian Guo , Robert J. Walls

Cybersecurity tools are increasingly automated with artificial intelligent (AI) capabilities to match the exponential scale of attacks, compensate for the relatively slower rate of training new cybersecurity talents, and improve of the…

Cryptography and Security · Computer Science 2020-09-25 Hetong Jiang , Taejun Choi , Ryan K. L. Ko

The increasing adoption of Reinforcement Learning in safety-critical systems domains such as autonomous vehicles, health, and aviation raises the need for ensuring their safety. Existing safety mechanisms such as adversarial training,…

Machine Learning · Computer Science 2021-11-11 Paulina Stevia Nouwou Mindom , Amin Nikanjam , Foutse Khomh , John Mullins

We present ConXsense, the first framework for context-aware access control on mobile devices based on context classification. Previous context-aware access control systems often require users to laboriously specify detailed policies or they…

Cryptography and Security · Computer Science 2014-06-06 Markus Miettinen , Stephan Heuser , Wiebke Kronz , Ahmad-Reza Sadeghi , N. Asokan

In this paper, we address the problem of having characters with different scales in scene text recognition. We propose a novel scale aware feature encoder (SAFE) that is designed specifically for encoding characters with different scales.…

Computer Vision and Pattern Recognition · Computer Science 2019-01-18 Wei Liu , Chaofeng Chen , Kwan-Yee K. Wong

Sixth generation systems are expected to face new security challenges, while opening up new frontiers towards context awareness in the wireless edge. The workhorse behind this projected technological leap will be a whole new set of sensing…

Cryptography and Security · Computer Science 2022-05-19 Arsenia Chorti , Andre Noll Barreto , Stefan Kopsell , Marco Zoli , Marwa Chafii , Philippe Sehier , Gerhard Fettweis , H. Vincent Poor

We propose a protocol based on mechanism design theory and encrypted control to solve average consensus problems among rational and strategic agents while preserving their privacy. The proposed protocol provides a mechanism that…

Systems and Control · Electrical Eng. & Systems 2025-08-27 Kaoru Teranishi , Kiminao Kogiso , Takashi Tanaka

Metaverse in general holds a potential future for cyberspace. At the beginning of Web 2.0, it was witnessed that people were signing in with various pseudonyms or 'nyms', risking their online identities by increasing presence of fake…

Cryptography and Security · Computer Science 2023-01-06 Sibi Chakkaravarthy Sethuraman , Aditya Mitra , Anisha Ghosh , Gautam Galada , Anitha Subramanian