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Prompt injection attacks can compromise the security and stability of critical systems, from infrastructure to large web applications. This work curates and augments a prompt injection dataset based on the HackAPrompt Playground Submissions…

Cryptography and Security · Computer Science 2025-12-16 Safwan Shaheer , G. M. Refatul Islam , Mohammad Rafid Hamid , Md. Abrar Faiaz Khan , Md. Omar Faruk , Yaseen Nur

The safety and robustness of large language models (LLMs) based applications remain critical challenges in artificial intelligence. Among the key threats to these applications are prompt hacking attacks, which can significantly undermine…

Cryptography and Security · Computer Science 2024-10-21 Baha Rababah , Shang , Wu , Matthew Kwiatkowski , Carson Leung , Cuneyt Gurcan Akcora

The integration of Large Language Models (LLMs) like GPT-4o into robotic systems represents a significant advancement in embodied artificial intelligence. These models can process multi-modal prompts, enabling them to generate more…

Robotics · Computer Science 2024-09-10 Wenxiao Zhang , Xiangrui Kong , Conan Dewitt , Thomas Braunl , Jin B. Hong

With the proliferation of LLM-integrated applications such as GPT-s, millions are deployed, offering valuable services through proprietary instruction prompts. These systems, however, are prone to prompt extraction attacks through…

Cryptography and Security · Computer Science 2024-10-29 Junlin Wang , Tianyi Yang , Roy Xie , Bhuwan Dhingra

This paper presents a real-time modular defense system named Sentra-Guard. The system detects and mitigates jailbreak and prompt injection attacks targeting large language models (LLMs). The framework uses a hybrid architecture with…

Cryptography and Security · Computer Science 2026-05-04 Md. Mehedi Hasan , Sk Tanzir Mehedi , Ziaur Rahman , Rafid Mostafiz , Md. Abir Hossain

Large language models (LLMs) deployed behind APIs and retrieval-augmented generation (RAG) stacks are vulnerable to prompt injection attacks that may override system policies, subvert intended behavior, and induce unsafe outputs. Existing…

Cryptography and Security · Computer Science 2026-03-20 Md Takrim Ul Alam , Akif Islam , Mohd Ruhul Ameen , Abu Saleh Musa Miah , Jungpil Shin

LLM agents process trusted instructions, retrieved records, and tool observations through a common generative channel. This conflates data flow with authority: an untrusted string can affect a secret-bearing response or an action proposal…

Cryptography and Security · Computer Science 2026-05-27 Faruk Alpay , Taylan Alpay

As Large Language Models (LLMs) increasingly become key components in various AI applications, understanding their security vulnerabilities and the effectiveness of defense mechanisms is crucial. This survey examines the security challenges…

Machine Learning · Computer Science 2024-06-04 Frank Weizhen Liu , Chenhui Hu

Large Language Models (LLMs) are vulnerable to attacks like prompt injection, backdoor attacks, and adversarial attacks, which manipulate prompts or models to generate harmful outputs. In this paper, departing from traditional deep learning…

Computation and Language · Computer Science 2025-02-19 Huawei Lin , Yingjie Lao , Tong Geng , Tan Yu , Weijie Zhao

As large language models (LLMs) become integrated into various sensitive applications, prompt injection, the use of prompting to induce harmful behaviors from LLMs, poses an ever increasing risk. Prompt injection attacks can cause LLMs to…

Cryptography and Security · Computer Science 2025-10-24 Isaac Wu , Michael Maslowski

Prompt leakage poses a compelling security and privacy threat in LLM applications. Leakage of system prompts may compromise intellectual property, and act as adversarial reconnaissance for an attacker. A systematic evaluation of prompt…

Cryptography and Security · Computer Science 2024-07-30 Divyansh Agarwal , Alexander R. Fabbri , Ben Risher , Philippe Laban , Shafiq Joty , Chien-Sheng Wu

This report presents a real-world case study demonstrating how prompt injection can attack large language model platforms such as ChatGPT according to a proposed injection framework. By providing three real-world examples, we show how…

Cryptography and Security · Computer Science 2025-04-24 Xiangyu Chang , Guang Dai , Hao Di , Haishan Ye

The CIA security triad - Confidentiality, Integrity, and Availability - is a cornerstone of data and cybersecurity. With the emergence of large language model (LLM) applications, a new class of threat, known as prompt injection, was first…

Cryptography and Security · Computer Science 2024-12-10 Johann Rehberger

Natural language interfaces to structured databases are becoming increasingly common, largely due to advances in large language models (LLMs) that enable users to query data using conversational input rather than formal query languages such…

Cryptography and Security · Computer Science 2026-05-12 Farzad Nourmohammadzadeh Motlagh , Mehrdad Hajizadeh , Mehryar Majd , Pejman Najafi , Feng Cheng , Christoph Meinel

The emergence of LLM (Large Language Model) integrated virtual assistants has brought about a rapid transformation in communication dynamics. During virtual assistant development, some developers prefer to leverage the system message, also…

Cryptography and Security · Computer Science 2024-01-03 Chun Fai Chan , Daniel Wankit Yip , Aysan Esmradi

Large Language Models (LLMs) are vulnerable to prompt injection attacks, and several defenses have recently been proposed, often claiming to mitigate these attacks successfully. However, we argue that existing studies lack a principled…

Cryptography and Security · Computer Science 2025-05-27 Yuqi Jia , Zedian Shao , Yupei Liu , Jinyuan Jia , Dawn Song , Neil Zhenqiang Gong

As Large Language Models (LLMs) are increasingly integrated into academic peer review, their vulnerability to adversarial hidden prompts, i.e., adversarial instructions embedded in submissions to manipulate outcomes, poses a critical threat…

Computation and Language · Computer Science 2026-05-29 Yuan Xin , Yixuan Weng , Minjun Zhu , Ying Ling , Chengwei Qin , Michael Backes , Yue Zhang , Linyi Yang

Large Language Model-based systems (LLM systems) are information and query processing systems that use LLMs to plan operations from natural-language prompts and feed the output of each successive step into the LLM to plan the next. This…

Cryptography and Security · Computer Science 2024-10-11 Fangzhou Wu , Ethan Cecchetti , Chaowei Xiao

The security of Large Language Model (LLM) applications is fundamentally challenged by "form-first" attacks like prompt injection and jailbreaking, where malicious instructions are embedded within user inputs. Conventional defenses, which…

Cryptography and Security · Computer Science 2025-10-15 Dominik Schwarz

Large Language Models (LLMs) are changing the way people interact with technology. Tools like ChatGPT and Claude AI are now common in business, research, and everyday life. But with that growth comes new risks, especially prompt-based…

Cryptography and Security · Computer Science 2025-05-27 Austin Howard