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<p>With the rapid advancement of Large Language Models (LLMs), increasing complexity and widespread deployment of LLMs have exposed them to numerous security threats, necessitating a thorough examination of potential risks and associated mitigation methods. While existing studies focus on specific security aspects, a structured analysis integrating security considerations throughout the LLM lifecycle remains lacking. To address this gap, we propose a lifecycle-based perspective that systematically identifies security threats at each stage, connects them to appropriate defense mechanisms, and examines their broader societal and ethical impacts. Specifically, we first systematically analyze potential security threats across the LLM lifecycle, from training and deployment to operation phases. Building upon this analysis, we propose a security framework that aligns defensive strategies with identified threats at each lifecycle stage, encompassing data protection, model integrity, deployment security, and operational robustness. Furthermore, we investigate how these security challenges contribute to societal and ethical concerns, including privacy risks and potential misuse. Our analysis reveals the intricate relationships between technical vulnerabilities and their societal implications, suggesting directions for future research in LLM security. A curated list of related papers has been publicly available at a GitHub repository (<a href="https://github.com/drivetosouth/Awesome-LLM-Safety">https://github.com/drivetosouth/Awesome-LLM-Safety</a>).</p>

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Mitigating Security Risks in Large Language Models: A Full Lifecycle Perspective

  • 期刊论文

  • 发表日期：

    2026年5月23日

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  • Yanming Wang,
  • Zhixin Bai,
  • Jing Huo,
  • Boyan Wang,
  • Jiaheng Liu,
  • Hongye Cao,
  • Fanyu Meng,
  • Xi Yang,
  • Yang Gao

摘要

With the rapid advancement of Large Language Models (LLMs), increasing complexity and widespread deployment of LLMs have exposed them to numerous security threats, necessitating a thorough examination of potential risks and associated mitigation methods. While existing studies focus on specific security aspects, a structured analysis integrating security considerations throughout the LLM lifecycle remains lacking. To address this gap, we propose a lifecycle-based perspective that systematically identifies security threats at each stage, connects them to appropriate defense mechanisms, and examines their broader societal and ethical impacts. Specifically, we first systematically analyze potential security threats across the LLM lifecycle, from training and deployment to operation phases. Building upon this analysis, we propose a security framework that aligns defensive strategies with identified threats at each lifecycle stage, encompassing data protection, model integrity, deployment security, and operational robustness. Furthermore, we investigate how these security challenges contribute to societal and ethical concerns, including privacy risks and potential misuse. Our analysis reveals the intricate relationships between technical vulnerabilities and their societal implications, suggesting directions for future research in LLM security. A curated list of related papers has been publicly available at a GitHub repository (https://github.com/drivetosouth/Awesome-LLM-Safety).