English
Related papers

Related papers: TeleHammer: A Formal Model of Implicit Rowhammer

200 papers

Enterprise penetration-testing is often limited by high operational costs and the scarcity of human expertise. This paper investigates the feasibility and effectiveness of using Large Language Model (LLM)-driven autonomous systems to…

Cryptography and Security · Computer Science 2025-09-12 Andreas Happe , Jürgen Cito

The generalization capabilities of Large Language Models (LLMs) have led to their widespread deployment across various applications. However, this increased adoption has introduced several security threats, notably in the forms of…

Cryptography and Security · Computer Science 2025-08-04 Francesco Panebianco , Stefano Bonfanti , Francesco Trovò , Michele Carminati

Proprietary large language models (LLMs) exhibit strong generalization capabilities across diverse tasks and are increasingly deployed on edge devices for efficiency and privacy reasons. However, deploying proprietary LLMs at the edge…

Cryptography and Security · Computer Science 2026-04-28 Qinfeng Li , Tianyue Luo , Xuhong Zhang , Yangfan Xie , Zhiqiang Shen , Lijun Zhang , Yier Jin , Hao Peng , Xinkui Zhao , Xianwei Zhu , Jianwei Yin

As cloud infrastructure becomes the backbone of modern organizations, the security of cryptographic key management, especially using Hardware Security Modules (HSMs) and Trusted Platform Modules (TPMs), faces unprecedented challenges. While…

Cryptography and Security · Computer Science 2025-08-08 Shams Shaikh , Trima P. Fernandes e Fizardo

The demand of customized large language models (LLMs) has led to commercial LLMs offering black-box fine-tuning APIs, yet this convenience introduces a critical security loophole: attackers could jailbreak the LLMs by fine-tuning them with…

Cryptography and Security · Computer Science 2026-01-21 Zhixin Xie , Xurui Song , Jun Luo

Large language model (LLM) agents have demonstrated remarkable capabilities in complex reasoning and decision-making by leveraging external tools. However, this tool-centric paradigm introduces a previously underexplored attack surface,…

Artificial Intelligence · Computer Science 2026-01-08 Kanghua Mo , Li Hu , Yucheng Long , Zhihao Li

As 3GPP systems have strengthened security at the upper layers of the cellular stack, plaintext PHY and MAC layers have remained relatively understudied, though interest in them is growing. In this work, we explore lower-layer exploitation…

Cryptography and Security · Computer Science 2026-02-12 Subangkar Karmaker Shanto , Imtiaz Karim , Elisa Bertino

The proficiency of Large Language Models (LLMs) in processing structured data and adhering to syntactic rules is a capability that drives their widespread adoption but also makes them paradoxically vulnerable. In this paper, we investigate…

Cryptography and Security · Computer Science 2025-12-16 Amirkia Rafiei Oskooei , Mehmet S. Aktas

Threat hunting is a proactive methodology for exploring, detecting and mitigating cyberattacks within complex environments. As opposed to conventional detection systems, threat hunting strategies assume adversaries have infiltrated the…

Cryptography and Security · Computer Science 2023-10-09 Ángel Casanova Bienzobas , Alfonso Sánchez-Macián

The evolution of large language models into autonomous agents introduces adversarial failures that exploit legitimate tool privileges, transforming safety evaluation in tool-augmented environments from a subjective NLP task into an…

Machine Learning · Computer Science 2026-02-03 Samuel Nellessen , Tal Kachman

Vulnerabilities emanating from DRAM errors pose a vexing problem that remains, as of yet, unsolved and elusive but cannot be ignored. Prior defenses focused on specific details of early RowHammer attacks and fail to generalize with the…

Cryptography and Security · Computer Science 2026-03-12 Manuel Wiesinger , Daniel Dorfmeister , Stefan Brunthaler

Large Language Models (LLMs) have revolutionized Artificial Intelligence (AI) services due to their exceptional proficiency in understanding and generating human-like text. LLM chatbots, in particular, have seen widespread adoption,…

Cryptography and Security · Computer Science 2024-02-14 Gelei Deng , Yi Liu , Yuekang Li , Kailong Wang , Ying Zhang , Zefeng Li , Haoyu Wang , Tianwei Zhang , Yang Liu

Large Language Model (LLM) Agents are an emerging computing paradigm that blends generative machine learning with tools such as code interpreters, web browsing, email, and more generally, external resources. These agent-based systems…

Cryptography and Security · Computer Science 2024-10-23 Xiaohan Fu , Shuheng Li , Zihan Wang , Yihao Liu , Rajesh K. Gupta , Taylor Berg-Kirkpatrick , Earlence Fernandes

Web application pentesting is a crucial component in the offensive cybersecurity area, whose aim is to safeguard web applications and web services as the majority of the web applications are mounted in publicly accessible web environments.…

Cryptography and Security · Computer Science 2024-10-17 María Olivares-Naya , Jacobo Casado de Gracia , Alfonso Sánchez-Macián

The rise of Large Language Models (LLMs) has led to significant applications but also introduced serious security threats, particularly from jailbreak attacks that manipulate output generation. These attacks utilize prompt engineering and…

Cryptography and Security · Computer Science 2025-02-20 Yanzeng Li , Yunfan Xiong , Jialun Zhong , Jinchao Zhang , Jie Zhou , Lei Zou

Data confidentiality is becoming a significant concern, especially in the cloud computing era. Memory access patterns have been demonstrated to leak critical information such as security keys and a program's spatial and temporal…

Cryptography and Security · Computer Science 2022-07-01 Rachit Rajat , Yongqin Wang , Murali Annavaram

With the rapid advancement of large language models (LLMs), ensuring their safe use becomes increasingly critical. Fine-tuning is a widely used method for adapting models to downstream tasks, yet it is vulnerable to jailbreak attacks.…

Cryptography and Security · Computer Science 2025-10-10 Xiangfang Li , Yu Wang , Bo Li

As Large Language Models (LLMs) become integral to computing infrastructure, safety alignment serves as the primary security control preventing the generation of harmful payloads. However, this defense remains brittle. Existing jailbreak…

Cryptography and Security · Computer Science 2026-02-19 Mingrui Liu , Sixiao Zhang , Cheng Long , Kwok Yan Lam

Smartphones hold important private information, yet users routinely expose this information to questionable applications written by developers they know nothing about. Users may be tempted to think of smartphones as old-style dumb phones,…

Cryptography and Security · Computer Science 2019-06-28 Amer Chamseddine , George Candea

Dynamic Random Access Memory (DRAM) is pervasive in computer systems. Cell vulnerabilities caused by unintended phenomena (forced retention failure, latency alteration, rowhammer and rowpress) lead to unintended bit flips in memory. These…

Cryptography and Security · Computer Science 2026-03-20 Zilong Hu , Hongming Fei , Prosanta Gope , Jack Miskelly , Owen Millwood , Biplab Sikdar