The who, where, and how of APT attacks in Q2 2025–Q3 2025

This report summary outlines the landscape of Advanced Persistent Threat activity observed during the second and third quarters of 2025. Presented by ESET's Chief Security Evangelist, the analysis focuses on the identification, geographic distribution, and operational methodologies employed by sophisticated threat groups. While specific indicators of compromise are not detailed in this excerpt, the publication serves as a strategic intelligence resource for understanding evolving APT trends. Organizations are advised to review the full ESET APT Activity Report to gain actionable insights into specific campaigns, threat actor affiliations, and malware variants targeting global infrastructure. The findings underscore the continued prevalence of state-sponsored espionage and targeted intrusions. Security teams should prioritize enhancing detection capabilities and threat hunting procedures to mitigate risks associated with these high-severity adversaries during the specified reporting period.

ESET Chief Security Evangelist Tony Anscombe highlights some of the key findings from the latest issue of the ESET APT Activity Report

This report summary outlines the landscape of Advanced Persistent Threat activity observed during the second and third quarters of 2025. Presented by ESET's Chief Security Evangelist, the analysis focuses on the identification, geographic distribution, and operational methodologies employed by sophisticated threat groups. While specific indicators of compromise are not detailed in this excerpt, the publication serves as a strategic intelligence resource for understanding evolving APT trends. Organizations are advised to review the full ESET APT Activity Report to gain actionable insights into specific campaigns, threat actor affiliations, and malware variants targeting global infrastructure. The findings underscore the continued prevalence of state-sponsored espionage and targeted intrusions. Security teams should prioritize enhancing detection capabilities and threat hunting procedures to mitigate risks associated with these high-severity adversaries during the specified reporting period. ESET Chief Security Evangelist Tony Anscombe highlights some of the key findings from the latest issue of the ESET APT Activity Report ESET Chief Security Evangelist Tony Anscombe highlights some of the key findings from the latest issue of the ESET APT Activity Report