Kostas is an information security researcher and consultant with over 10 years of experience in threat hunting, incident response, and intrusion analysis. He specializes in analyzing real-world attacks end to end, with a strong focus on endpoint telemetry, visibility gaps, and evidence-based detection.
He is the founder of
Defendpoint Consulting and the creator of the
EDR Telemetry Project, a vendor-neutral initiative that evaluates what security products actually log using reproducible test cases. Kostas also builds hands-on training platforms through the
Threat Hunting Labs that help practitioners investigate real intrusion scenarios.
