By Saher Naumaan, Carlos Rubio, and the Proofpoint Threat Research Team Between April and May 2026, Proofpoint Threat Research observed a likely North Korean threat actor conducting phishing campaigns using developer role recruitment or code review themes to targets in close to 100 organizations in finance, cryptocurrency, education, technology, and several other sectors. Proofpoint clusters this activity under the name UNK_DeadDrop.