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GUARDIAN: A Multi-Tiered Defense Architecture for Thwarting Prompt Injection Attacks on LLMs

Journal of software Engineering and Applications 2024年第1期17卷 43-68页

作者： Parijat Rai saumil sood Vijay K. Madisetti arshdeep Bahga school of Computer science Engineering & Technology Bennett University Greater Noida India school of Cybersecurity and Privacy Georgia Institute of Technology Atlanta USA Cloudemy Technology Labs Chandigarh India

This paper introduces a novel multi-tiered defense architecture to protect language models from adversarial prompt attacks. We construct adversarial prompts using strategies like role emulation and manipulative assistance to simulate real threats. We introduce a comprehensive, multi-tiered defense framework named GUARDIAN (Guardrails for Upholding Ethics in Language Models) comprising a system prompt filter, pre-processing filter leveraging a toxic classifier and ethical prompt generator, and pre-display filter using the model itself for output screening. Extensive testing on Meta’s Llama-2 model demonstrates the capability to block 100% of attack prompts. The approach also auto-suggests safer prompt alternatives, thereby bolstering language model security. Quantitatively evaluated defense layers and an ethical substitution mechanism represent key innovations to counter sophisticated attacks. The integrated methodology not only fortifies smaller LLMs against emerging cyber threats but also guides the broader application of LLMs in a secure and ethical manner.

关键词： Large Language Models (LLMs) Adversarial Attack Prompt Injection Filter Defense Artificial Intelligence Machine Learning Cybersecurity

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Cardiovascular implications of inflammatory bowel disease: An updated review

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World Journal of Cardiology 2023年第11期15卷 553-570页

作者： Arshia Bhardwaj arshdeep s.ngh Vandana Midha Ajit sood Gurpreet s.ngh Wander Bishav Mohan Akash Batta Department of Gastroenterology Dayanand Medical College and HospitalPunjabLudhiana 141001India Department of Internal Medicine Dayanand Medical College and HospitalPunjabLudhiana 141001India Department of Cardiology Dayanand Medical College and HospitalPunjabLudhiana 141001India

Emerging data highlights the heightened risk of atherosclerotic cardiovascular diseases(AsCVD)in patients with chronic inflammatory disorders,particularly those afflicted with inflammatory bowel disease(IBD).This review delves into the epidemiological connections between IBD and AsCVD,elucidating potential underlying ***,it discusses the impact of current IBD treatments on cardiovascular ***,the cardiovascular adverse effects of novel small molecule drugs used in moderate-to-severe IBD are investigated,drawing parallels with observations in patients with rheumatoid *** article aims to comprehensively evaluate the existing evidence supporting these *** achieve this,we conducted a meticulous search of PubMed,spanning from inception to August 2023,using a carefully selected set of *** search encompassed topics related to IBD,such as Crohn’s disease and ulcerative colitis,as well as AsCVD,including coronary artery disease,cardiovascular disease,atrial fibrillation,heart failure,conduction abnormalities,heart blocks,and premature coronary artery *** review encompasses various types of literature,including retrospective and prospective cohort studies,clinical trials,meta-analyses,and relevant guidelines,with the objective of providing a comprehensive overview of this critical intersection of inflammatory bowel disease and cardiovascular health.

关键词： Inflammatory bowel diseases Cardiovascular disorders Pericarditis myocarditis Thromboembolism Chronic inflammation Oxidative stress Endothelial dysfunction

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