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In Plain Terms
Ransomware gangs are often paid in Bitcoin, and those payments leave traces across the blockchain. This study develops a network-analysis method to map ransomware payment flows and pinpoint the key Bitcoin wallets worth targeting for disruption, demonstrating it on a real wallet that moved over $450 million.
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Citation
Benjamin M. Ampel, Kaeli Otto, Sagar Samtani, Hongyi Zhu, & Hsinchun Chen (2023). Disrupting Ransomware Actors on the Bitcoin Blockchain: A Graph Embedding Approach. IEEE ISI https://doi.org/10.1109/ISI58743.2023.10297290
Benjamin M. Ampel
Assistant Professor in Computer Information Systems and Director, Center for CyberAI Research (CCAIR)
My research focuses on AI-enabled Cybersecurity, including Cyber Threat Intelligence, Large Language Models, and Phishing Detection.