Benchmarking LLM-Assisted Blue Teaming via Standardized Threat Hunting

• URL: http://arxiv.org/abs/2509.23571v2
• Date: Wed, 01 Oct 2025 16:01:24 GMT
• Title: Benchmarking LLM-Assisted Blue Teaming via Standardized Threat Hunting
• Authors: Yuqiao Meng, Luoxi Tang, Feiyang Yu, Xi Li, Guanhua Yan, Ping Yang, Zhaohan Xi,
• Abstract summary: This paper presents CyberTeam, a benchmark designed to guide Large Language Models in blue teaming practice.<n>First, it models realistic threat-hunting by capturing the dependencies among analytical tasks from threat attribution to incident response.<n>Next, each task is addressed through a set of operational modules tailored to its specific analytical requirements.<n>Overall, CyberTeam integrates 30 tasks and 9 operational modules to guide LLMs through standardized threat analysis.
• Score: 11.591424538749967
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: As cyber threats continue to grow in scale and sophistication, blue team defenders increasingly require advanced tools to proactively detect and mitigate risks. Large Language Models (LLMs) offer promising capabilities for enhancing threat analysis. However, their effectiveness in real-world blue team threat-hunting scenarios remains insufficiently explored. This paper presents CyberTeam, a benchmark designed to guide LLMs in blue teaming practice. CyberTeam constructs a standardized workflow in two stages. First, it models realistic threat-hunting workflows by capturing the dependencies among analytical tasks from threat attribution to incident response. Next, each task is addressed through a set of operational modules tailored to its specific analytical requirements. This transforms threat hunting into a structured sequence of reasoning steps, with each step grounded in a discrete operation and ordered according to task-specific dependencies. Guided by this framework, LLMs are directed to perform threat-hunting tasks through modularized steps. Overall, CyberTeam integrates 30 tasks and 9 operational modules to guide LLMs through standardized threat analysis. We evaluate both leading LLMs and state-of-the-art cybersecurity agents, comparing CyberTeam against open-ended reasoning strategies. Our results highlight the improvements enabled by standardized design, while also revealing the limitations of open-ended reasoning in real-world threat hunting.

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