ESET APT Activity Report Q2 2026–Q2 2026 summarizes notable activities of selected advanced persistent threat (APT) groups documented by ESET researchers between April and September 2026. The operations presented here reflect the broader threat landscape observed during this period and highlight some of its key trends and developments. They represent only a subset of the cybersecurity intelligence made available to customers of ESET Threat Intelligence APT Reports. During the monitored period, China-aligned groups conducted intelligence-collection operations primarily against governmental targets. FamousSparrow kept up its monitoring in South America, just as in the previous reporting period. In Southeast Asia and Oceania, China-aligned threat actors ran campaigns that appear to support…