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As ATM applications deploy for a banking system, the need to secure communications will become critical. However, multicast protocols do not fit the point-to-point model of most network security protocols which were designed with unicast…

Cryptography and Security · Computer Science 2015-05-13 Zeinab Ghafari , Taha Arian , Morteza Analoui

Graph modeling allows numerous security problems to be tackled in a general way, however, little work has been done to understand their ability to withstand adversarial attacks. We design and evaluate two novel graph attacks against a…

Cryptography and Security · Computer Science 2017-08-31 Yizheng Chen , Yacin Nadji , Athanasios Kountouras , Fabian Monrose , Roberto Perdisci , Manos Antonakakis , Nikolaos Vasiloglou

Single-turn safety evaluation is a poor proxy for real fraud defense, where attackers escalate across multiple rounds. This paper evaluates fraud defenders under replay and adaptive multi-round attacks and measures when a defender refuses,…

Cryptography and Security · Computer Science 2026-05-21 Laura Jiang , Reza Ryan , Qian Li , Nasim Ferdosian

Smishing, or SMS-based phishing, poses an increasing threat to mobile users by mimicking legitimate communications through culturally adapted, concise, and deceptive messages, which can result in the loss of sensitive data or financial…

Machine Learning · Computer Science 2025-06-04 Shaghayegh Hosseinpour , Sanchari Das

This report explores the convergence of large language models (LLMs) and cybersecurity, synthesizing interdisciplinary insights from network security, artificial intelligence, formal methods, and human-centered design. It examines emerging…

Cryptography and Security · Computer Science 2025-05-05 Tao Li , Ya-Ting Yang , Yunian Pan , Quanyan Zhu

Lightweight stream ciphers are highly demanded in IoT applications. In order to optimize the hardware performance, a new class of stream cipher has been proposed. The basic idea is to employ a single Galois NLFSR with maximum period to…

Cryptography and Security · Computer Science 2019-11-05 Ge Yao , Udaya Parampalli

Practical attacks that exploit speculative execution can leak confidential information via microarchitectural side channels. The recently-demonstrated Spectre attacks leverage speculative loads which circumvent access checks to read…

Cryptography and Security · Computer Science 2018-07-11 Vladimir Kiriansky , Carl Waldspurger

We present Syft 0.5, a general-purpose framework that combines a core group of privacy-enhancing technologies that facilitate a universal set of structured transparency systems. This framework is demonstrated through the design and…

Modern x86 processors support an AVX instruction set to boost performance. However, this extension may cause security issues. We discovered that there are vulnerable properties in implementing masked load/store instructions. Based on this,…

Cryptography and Security · Computer Science 2023-04-18 Hyunwoo Choi , Suryeon Kim , Seungwon Shin

Modern applications are end-to-end encrypted to prevent data from being read or secretly modified. 5G tech nology provides ubiquitous access to these applications without compromising the application-specific performance and latency goals.…

Networking and Internet Architecture · Computer Science 2024-07-23 Md Ruman Islam , Raja Hasnain Anwar , Spyridon Mastorakis , Muhammad Taqi Raza

Multi-turn jailbreak attacks simulate real-world human interactions by engaging large language models (LLMs) in iterative dialogues, exposing critical safety vulnerabilities. However, existing methods often struggle to balance semantic…

Computation and Language · Computer Science 2025-03-12 Zonghao Ying , Deyue Zhang , Zonglei Jing , Yisong Xiao , Quanchen Zou , Aishan Liu , Siyuan Liang , Xiangzheng Zhang , Xianglong Liu , Dacheng Tao

In this letter, we propose three schemes designed to detect attacks over the air interface in cellular networks. These decision rules rely on the generalized likelihood ratio test, and are fed by data that can be acquired using common…

Signal Processing · Electrical Eng. & Systems 2021-06-15 Danilo Orlando , Ivan Palamà , Stefania Bartoletti , Giuseppe Bianchi , Nicola Blefari Melazzi

SMS, or short messaging service, is a widely used and cost-effective communication medium that has sadly turned into a haven for unwanted messages, commonly known as SMS spam. With the rapid adoption of smartphones and Internet…

Machine Learning · Computer Science 2024-05-15 Mohammad Amaz Uddin , Muhammad Nazrul Islam , Leandros Maglaras , Helge Janicke , Iqbal H. Sarker

Disruption from service caused by DDoS attacks is an immense threat to Internet today. These attacks can disrupt the availability of Internet services completely, by eating either computational or communication resources through sheer…

Cryptography and Security · Computer Science 2012-03-13 B. B. Gupta , Manoj Misra , R. C. Joshi

The widespread adoption of thinking mode in large language models (LLMs) has significantly enhanced complex task processing capabilities while introducing new security risks. When subjected to jailbreak attacks, the step-by-step reasoning…

Cryptography and Security · Computer Science 2026-03-12 Fan Yang

Large language models (LLMs) are improving at an exceptional rate. However, these models are still susceptible to jailbreak attacks, which are becoming increasingly dangerous as models become increasingly powerful. In this work, we…

Attacks on classical cryptographic protocols are usually modeled by allowing an adversary to ask queries from an oracle. Security is then defined by requiring that as long as the queries satisfy some constraint, there is some problem the…

Quantum Physics · Physics 2011-09-01 Ivan Damgaard , Jakob Funder , Jesper Buus Nielsen , Louis Salvail

Modern networks support network slicing, which partitions physical infrastructure into virtual slices tailored to different service requirements (for example, high bandwidth or low latency). Optimally allocating users to slices is a…

Networking and Internet Architecture · Computer Science 2025-12-02 Sagar Sudhakara , Pankaj Rajak

Large Language Models (LLMs) are increasingly embedded in autonomous systems and public-facing environments, yet they remain susceptible to jailbreak vulnerabilities that may undermine their security and trustworthiness. Adversarial…

Machine Learning · Computer Science 2025-05-15 David Khachaturov , Robert Mullins

Siren represents a pioneering research effort aimed at fortifying cybersecurity through strategic integration of deception, machine learning, and proactive threat analysis. Drawing inspiration from mythical sirens, this project employs…

Cryptography and Security · Computer Science 2025-06-25 Samhruth Ananthanarayanan , Girish Kulathumani , Ganesh Narayanan