May 2026 Threat Trend Report on APT Groups
Purpose and Scope The May 2026 APT Trends report identified supply chain attacks, developer environment attacks, automated Initial Breach, and exploitation of runtime environments as key developments. Lazarus, Famous Chollima, Gamaredon, MuddyWater, and Nimbus Manticore are of particular concern. Status of Major APT Groups by Region North Korea The Lazarus
November 2025 APT Group Trends
Trends of Key APT Groups by Region 1) North Korea The attack techniques of threat actors suspected to be based in North Korea are continuously evolving. In the case of malware distribution, threat actors are increasingly using a JSON-based cloud storage service instead of traditional email attachments or
UNC5174 Group’s Discord Bot Backdoor Malware
Recently, AhnLab SEcurity intelligence Center (ASEC) has identified an attack leveraging a backdoor malware that uses the Discord API to establish a Command and Control (C2) infrastructure, linked to the UNC5174 threat group [1]). UNC5174 employs an operational strategy designed to maintain long-term control after initial compromise by sequentially deploying
