Benjamin M. Ampel
Benjamin M. Ampel
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Disrupting Ransomware Actors on the Bitcoin Blockchain: A Graph Embedding Approach
Ransomware attacks continue to pose significant threats to organizations worldwide, with attackers often demanding payment in Bitcoin. …
Benjamin M. Ampel
,
Kaeli Otto
,
Sagar Samtani
,
Hongyi Zhu
,
Hsinchun Chen
Last updated on Jan 26, 2026
PDF
DOI
Exploring the Evolution of Exploit-Sharing Hackers: An Unsupervised Graph Embedding Approach
Cybercrime was estimated to cost the global economy $945 billion in 2020. Increasingly, law enforcement agencies are using social …
Kaeli Otto
,
Benjamin M. Ampel
,
Sagar Samtani
,
Hongyi Zhu
,
Hsinchun Chen
Last updated on Jan 26, 2026
PDF
DOI
Identifying Vulnerable GitHub Repositories and Users in Scientific Cyberinfrastructure: An Unsupervised Graph Embedding Approach
The scientific cyberinfrastructure community heavily relies on public internet-based systems (e.g., GitHub) to share resources and …
Ben Lazarine
,
Sagar Samtani
,
Mark Patton
,
Hongyi Zhu
,
Steven Ullman
,
Benjamin M. Ampel
,
Hsinchun Chen
Last updated on Jan 26, 2026
PDF
DOI
Smart Vulnerability Assessment for Scientific Cyberinfrastructure: An Unsupervised Graph Embedding Approach
The accelerated growth of computing technologies has provided interdisciplinary teams a platform for producing innovative research at …
Steven Ullman
,
Sagar Samtani
,
Ben Lazarine
,
Hongyi Zhu
,
Benjamin M. Ampel
,
Mark Patton
,
Hsinchun Chen
Last updated on Jan 26, 2026
PDF
DOI