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Conference proceeding
A Comparative Analysis of Security Vulnerabilities and Defense Mechanisms in Large Language Models
Proceedings : annual International Computer Software and Applications Conference, pp.3098-3107
Annual Computers, Software, and Applications Conference (COMPSAC), 50th (Madrid, Spain, 07/07/2026–07/10/2026)
08/2026
Abstract
Large Language Models (LLMs) are now deployed at an unprecedented scale across many critical sectors, rapidly transitioning from experimental AI tools to embedded components of production software systems. This accelerated adoption, often enabled by low-code integrations, has lowered technical barriers while simultaneously expanding the attack surface of modern applications, particularly when deployments occur without sufficient domain-specific security expertise. In many cases, security maturity has not progressed at the same pace as capability expansion, creating systemic exposure across confidentiality, integrity, and availability dimensions. To provide structured clarity amid this rapid growth, this paper presents a comparative and standards-aligned analysis of LLM security risks and defense mechanisms grounded in the OWASP GenAI Top-10 (2025). We systematically examine each vulnerability class, map representative attack patterns to primary mitigation strategies, evaluate their security property impact, and analyze practical limitations and implementation trade-offs. In addition, we introduce a severity-based assessment to prioritize risks according to operational and systemic impact, offering a quantitative perspective on defensive readiness. Our findings indicate that current mitigation strategies are predominantly reactive, concentrated at inference time, and unevenly distributed across the LLM lifecycle. Controls addressing training pipelines, supplychain dependencies, and autonomous system behaviors remain comparatively less mature and less standardized. By integrating vulnerability classification, defense mapping, severity prioritization, and trade-off analysis within a unified framework, this study provides actionable guidance for strengthening secure, resilient, and standards-driven LLM deployment in high-stakes environments.
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Details
- Title
- A Comparative Analysis of Security Vulnerabilities and Defense Mechanisms in Large Language Models
- Publication Details
- Proceedings : annual International Computer Software and Applications Conference, pp.3098-3107
- Resource Type
- Conference proceeding
- Conference
- Annual Computers, Software, and Applications Conference (COMPSAC), 50th (Madrid, Spain, 07/07/2026–07/10/2026)
- Publisher
- IEEE
- Grant note
- D E-C R 0000046 / U.S. Department of Energy (DoE) (10.13039/100000015) 2433800,2421324,1946442 / National Science Foundation (10.13039/100000001) 9R42LM014356 / National Institutes of Health (10.13039/100000002)
- Copyright
- © 2026, IEEE
- Identifiers
- 99381871226706600
- Academic Unit
- Center for Cybersecurity and AI; Hal Marcus College of Science and Engineering
- Language
- English