ChatIoT: Large Language Model-based Security Assistant for Internet of Things with Retrieval-Augmented Generation

• URL: http://arxiv.org/abs/2502.09896v1
• Date: Fri, 14 Feb 2025 04:00:18 GMT
• Title: ChatIoT: Large Language Model-based Security Assistant for Internet of Things with Retrieval-Augmented Generation
• Authors: Ye Dong, Yan Lin Aung, Sudipta Chattopadhyay, Jianying Zhou,
• Abstract summary: ChatIoT is a large language model (LLM)-based IoT security assistant designed to disseminate IoT security and threat intelligence. We develop an end-to-end data processing toolkit to handle heterogeneous datasets.
• Score: 6.39666247062118
• License:
• Abstract: Internet of Things (IoT) has gained widespread popularity, revolutionizing industries and daily life. However, it has also emerged as a prime target for attacks. Numerous efforts have been made to improve IoT security, and substantial IoT security and threat information, such as datasets and reports, have been developed. However, existing research often falls short in leveraging these insights to assist or guide users in harnessing IoT security practices in a clear and actionable way. In this paper, we propose ChatIoT, a large language model (LLM)-based IoT security assistant designed to disseminate IoT security and threat intelligence. By leveraging the versatile property of retrieval-augmented generation (RAG), ChatIoT successfully integrates the advanced language understanding and reasoning capabilities of LLM with fast-evolving IoT security information. Moreover, we develop an end-to-end data processing toolkit to handle heterogeneous datasets. This toolkit converts datasets of various formats into retrievable documents and optimizes chunking strategies for efficient retrieval. Additionally, we define a set of common use case specifications to guide the LLM in generating answers aligned with users' specific needs and expertise levels. Finally, we implement a prototype of ChatIoT and conduct extensive experiments with different LLMs, such as LLaMA3, LLaMA3.1, and GPT-4o. Experimental evaluations demonstrate that ChatIoT can generate more reliable, relevant, and technical in-depth answers for most use cases. When evaluating the answers with LLaMA3:70B, ChatIoT improves the above metrics by over 10% on average, particularly in relevance and technicality, compared to using LLMs alone.

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