Activity timeline
REF9403 appears in 1 tracked threat between and .
Threat actorNorth KoreaTracked since 2026-07
Also known as:Contagious InterviewContagious Interview - G1052
As of 2026-07-17, REF9403 is a North Korea-nexus threat actor tracked by Threadlinqs Intelligence across 1 threat spanning malware. Also known as Contagious Interview, Contagious Interview - G1052.
REF9403 appears in 1 tracked threat between and .