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~ similar to 2604.08628v1· 20 results

cs.CRcs.AIRecentMay 19, 2026

Security Document Classification with a Fine-Tuned Local Large Language Model: Benchmark Data and an Open-Source System

Ivan Dobrovolskyi

The paper introduces TorchSight, an open-source local system using a fine-tuned Qwen 3.5 27B model that achieves high accuracy (95.0%) in classifying sensitive security documents without relying on ex…

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cs.CRcs.AIRecentApr 9, 2026

Securing Retrieval-Augmented Generation: A Taxonomy of Attacks, Defenses, and Future Directions

Yuming Xu, Mingtao Zhang, Zhuohan Ge, Haoyang Li +6 more

This paper proposes a comprehensive taxonomy (SLOT) to systematically categorize security risks, attacks, and defenses specific to Retrieval-Augmented Generation (RAG), clarifying that these risks are…

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cs.CRcs.AIRecentMar 23, 2026

Towards Secure Retrieval-Augmented Generation: A Comprehensive Review of Threats, Defenses and Benchmarks

Yanming Mu, Hao Hu, Feiyang Li, Qiao Yuan +6 more

This paper provides the first comprehensive, end-to-end survey dedicated to the security of Retrieval-Augmented Generation (RAG) systems, systematically mapping threats, defenses, and benchmarks acros…

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cs.CRcs.AIRecentMar 17, 2026

Towards Unsupervised Adversarial Document Detection in Retrieval Augmented Generation Systems

Patrick Levi

The paper proposes an unsupervised method using multiple statistical indicators to detect adversarial or compromised context documents in Retrieval Augmented Generation (RAG) systems, even without kno…

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cs.CRcs.IRRecentMay 19, 2026

BiRD: A Bidirectional Ranking Defense Mechanism for Retrieval Augmented Generation

Chengcai Gao, Zhihong Sun, Xiaochuan Shi, Qiufeng Wang +1 more

The paper proposes BiRD, a bidirectional ranking defense mechanism that enhances the robustness of Retrieval-Augmented Generation (RAG) against adversarial attacks by analyzing the alignment between f…

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cs.CRcs.CLcs.IRRecentMay 27, 2026

SilentRetrieval: Hijacking Retrieval-Augmented Generation via Semantically-Preserving Adversarial Data Poisoning

Jiachen Qian

SilentRetrieval introduces a sophisticated, two-stage data poisoning attack that successfully hijacks Retrieval-Augmented Generation (RAG) systems by injecting adversarially crafted, yet highly fluent…

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cs.CRcs.LGRecentMay 7, 2026

FedAttr: Towards Privacy-preserving Client-Level Attribution in Federated LLM Fine-tuning

Su Zhang, Junfeng Guo, Heng Huang

FedAttr introduces a novel client-level attribution protocol for Federated Learning (FL) that accurately identifies which clients trained on watermarked data while maintaining strong privacy guarantee…

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cs.CRcs.LGRecentMay 5, 2026

Membership Inference Attacks for Retrieval Based In-Context Learning for Document Question Answering

Tejas Kulkarni, Antti Koskela, Laith Zumot

This paper demonstrates that retrieval-augmented in-context learning systems for document QA are vulnerable to membership inference attacks, proposing novel black-box methods that exploit query prefix…

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cs.CRcs.AIRecentApr 22, 2026

Adaptive Defense Orchestration for RAG: A Sentinel-Strategist Architecture against Multi-Vector Attacks

Pranav Pallerla, Wilson Naik Bhukya, Bharath Vemula, Charan Ramtej Kodi

The paper proposes the Sentinel-Strategist architecture, an adaptive defense mechanism that selectively deploys security measures in Retrieval-Augmented Generation (RAG) systems to significantly reduc…

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cs.CRcs.AIRecentMay 1, 2026

E-MIA: Exam-Style Black-Box Membership Inference Attacks against RAG Systems

Zelin Guan, Shengda Zhuo, Zeyan Li, Jinchun He +3 more

E-MIA introduces a novel, stealthy black-box membership inference attack that converts verifiable hard evidence within a candidate document into an objective, multi-part exam score to determine if the…

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cs.CRcs.AIRecentApr 1, 2026

RAGShield: Detecting Numerical Claim Manipulation in Government RAG Systems

KrishnaSaiReddy Patil

RAGShield introduces a novel, pattern-based defense system that accurately detects subtle numerical claim manipulation in government RAG systems, overcoming the inherent blind spot of embedding-based…

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cs.CRcs.AIcs.IRRecentMay 6, 2026

Securing the Agent: Vendor-Neutral, Multitenant Enterprise Retrieval and Tool Use

Francisco Javier Arceo, Varsha Prasad Narsing

The paper proposes a layered, server-side isolation architecture to secure Retrieval-Augmented Generation (RAG) and agentic AI systems in multitenant enterprise environments, ensuring that retrieval a…

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cs.CRRecentApr 29, 2026

PRAG: End-to-End Privacy-Preserving Retrieval-Augmented Generation

Zhijun Li, Minghui Xu, Huayi Qi, Wenxuan Yu +5 more

PRAG is an end-to-end privacy-preserving Retrieval-Augmented Generation (RAG) system that maintains high retrieval accuracy and scalability in cloud environments by encrypting both documents and queri…

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cs.CRcs.AIRecentMar 18, 2026

Retrieval-Augmented LLMs for Security Incident Analysis

Xavier Cadet, Aditya Vikram Singh, Harsh Mamania, Edward Koh +5 more

The paper introduces a Retrieval-Augmented Generation (RAG) system that uses targeted query filtering and LLM semantic reasoning to accurately and cost-effectively analyze complex cybersecurity incide…

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cs.CRcs.CLcs.DCRecentApr 27, 2026

A Survey on Split Learning for LLM Fine-Tuning: Models, Systems, and Privacy Optimizations

Zihan Liu, Yizhen Wang, Rui Wang, Xiu Tang +1 more

This survey provides a comprehensive, structured taxonomy of split learning techniques for fine-tuning Large Language Models (LLMs), covering model optimization, system efficiency, and privacy preserv…

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cs.CRcs.AIcs.DBRecentMay 31, 2026

Inference Cost Attacks for Retrieval-Augmented Large Language Models

Chengliang Liu, Liangbo Ning, Yujuan Ding, Wenqi Fan

This paper introduces a novel attack, RA-ICA, that targets RAG-enhanced LLMs by poisoning external knowledge bases to drastically increase inference costs, achieving up to a 13.12x increase in token c…

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cs.CRcs.AIRecentMay 26, 2026

Cordon-MAS: Defending RAG against Knowledge Poisoning via Information-Flow Control

Zhe Yu, Wenpeng Xing, Gaolei Li, Shuguang Xiong +3 more

The paper introduces CORDON-MAS, a compartmentalized framework that defends Retrieval-Augmented Generation (RAG) against knowledge poisoning by enforcing strict information-flow control, significantly…

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cs.CRcs.AIRecentApr 2, 2026

Combating Data Laundering in LLM Training

Muxing Li, Zesheng Ye, Sharon Li, Feng Liu

The paper introduces Synthesis Data Reversion (SDR), a method that infers the data laundering transformation used in LLM training and synthesizes queries to restore the detection signals lost when pro…

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cs.CRcs.AIRecentMay 23, 2026

CyBOKClaw: Human-in-the-Loop CyBOK Mapping for Cybersecurity Curriculum

Yan Lin Aung, Kevin Togbe

CyBOKClaw is an interpretable human-in-the-loop retrieval framework designed to map broad cybersecurity keywords to the Cyber Security Body of Knowledge (CyBOK), achieving high expert-guided mapping a…

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cs.CRcs.IRRecentApr 10, 2026

Trans-RAG: Query-Centric Vector Transformation for Secure Cross-Organizational Retrieval

Yu Liu, Kun Peng, Wenxiao Zhang, Fangfang Yuan +3 more

Trans-RAG introduces a novel query-centric vector transformation technique to enable secure, efficient, and accurate cross-organizational retrieval in RAG systems without plaintext decryption.

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