USENIX Security 24 Unveiling the HunterGatherers Exploring Threat Hunting Practices and

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Unveiling the Hunter-Gatherers: Exploring Threat Hunting Practices and Challenges in Cyber Defense • Priyanka Badva, Kopo M. Ramokapane, Eleonora Pantano, and Awais Rashid, University of Bristol • The dynamic landscape of cyber threats constantly adapts its attack patterns, successfully evading traditional defense mechanisms and operating undetected until its objectives are fulfilled. In response to these elusive threats, threat hunting has become a crucial advanced defense technique against sophisticated and concealed cyber adversaries. However, despite its significance, there remains a lack of deep understanding of the best practices and challenges associated with effective threat hunting. To address this gap, we conducted semi-structured interviews with 22 experienced threat hunters to gain deeper insights into their daily practices, challenges, and strategies to overcome them. Our findings show that threat hunters deploy various approaches, often mixing them. They argue that flexibility in their approach helps them identify subtle threat indicators that might otherwise go undetected if using only one method. Their everyday challenges range from technical challenges to people and organizational culture challenges. Based on these findings, we provide empirical insights for improving threat-hunting best practices. • View the full USENIX Security '24 program at https://www.usenix.org/conference/use...

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