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Join the Cybercrime Fighters Club

Please review the following rules before submitting your application:

1. Our main objective is to foster a community of like-minded individuals dedicated to combatting cybercrime and who have never engaged in Blackhat activities.

2. All applications must include research or a research draft. You can find content criteria in the blog. Please provide a link to your research or research draft using the form below.

Yiu Wai Leong

Junior Incident Response and Digital Forensics Analyst

Wai Leong is a DFIR Analyst at Group-IB, specializing in Digital Forensics and Incident Response. With expertise in investigating cyber threats and mitigating security breaches, Wai Leong helps organizations respond to and recover from cyber incidents efficiently.

He also has experience in performing threat hunting, leveraging EDR/XDR solutions to uncover hidden threats. He also conducts cyber threat intelligence (CTI) analysis to extract actionable intelligence and develop effective hunting hypotheses, gaining deeper insight into threat actors’ tradecraft.

Blog posts by Yiu Wai Leong

Hunting Rituals
March 24, 2025
Hunting Rituals #5: Why hypothesis-based threat hunting is essential in cybersecurity
Discover how hypothesis-driven threat hunting uncovered stealthy malware. Learn why having a dedicated in-house team or leveraging expert threat hunting services is crucial for modern cybersecurity.
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