Fishing or Hunting: The CTI League
CTI League founder Ohad Zaidenberg shares how a global volunteer coalition of threat intelligence analysts neutralizes cyber attacks against hospitals and medical centers.
Summary
The Formation of the CTI League
In response to surging ransomware attacks on healthcare facilities during the COVID-19 pandemic, cybersecurity volunteers worldwide established the Cyber Threat Intelligence League (CTI League).
Proactive Threat Hunting for Medical Facilities
Ohad Zaidenberg details the league's operational methodology, hunting for exposed medical systems, stolen clinician credentials, and active threat actor infrastructure.
Rapid Triage and Takedown Operations
By collaborating with law enforcement and national CERTs, the CTI League neutralized hundreds of malicious domains and provided early warnings to targeted hospitals.
A Model for Global Humanitarian Cyber Defense
Zaidenberg reflects on lessons learned from coordinating over 1,500 volunteer analysts across 80 countries to defend life-saving organizations.
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