Home White Papers A Practical Model for Conducting Cyber Threat Hunting

A Practical Model for Conducting Cyber Threat Hunting

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There remains a lack of definition and a formal model from which to base threat hunting operations and quantifying the success of said operations from the beginning of a threat hunt engagement to the end that also allows analysis of analytic rigor and completeness. The formal practice of threat hunting seeks to uncover the presence of attacker tactics, techniques, and procedures (TTP) within an environment not already discovered by existing detection technologies. This research outlines a practical and rigorous model to conduct a threat hunt to discover attacker presence by using six stages: purpose, scope, equip, plan review, execute, and feedback. This research defines threat hunting as the proactive, analyst-driven process to search for attacker TTP within an environment. The model was tested using a series of threat hunts with real-world datasets. Threat hunts conducted with and without the model observed the effectiveness and practicality of this research. Furthermore, this paper contains a walkthrough of the threat hunt model based on the information from the Ukraine 2016 electrical grid attacks in a simulated environment to demonstrate the model’s impact on the threat hunt process. The outcome of this research provides an effective and repeatable process for threat hunting as well as quantifying the overall integrity, coverage, and rigor of the hunt. The paper is available here.

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