Key Findings from ESET Threat Report H2 2025

The ESET Threat Report for the second half of 2025 provides a comprehensive analysis of the evolving cybersecurity threat landscape, based on ESET's extensive telemetry data and expert insights. The report highlights a significant increase in cyberattacks leveraging zero-day vulnerabilities, with notable examples such as CVE-2025-XXXX being exploited by threat actors. Additionally, the use of advanced tools like Cobalt Strike and Sliver has become more prevalent in targeted attacks. Ransomware continues to dominate the threat landscape, with groups such as LockBit and BlackCat intensifying their campaigns against critical infrastructure sectors. The report also details the activities of advanced persistent threat (APT) groups, including Lazarus and APT29, which have been observed conducting sophisticated espionage operations targeting organizations in Europe and North America. Furthermore, there has been a marked rise in phishing attacks that exploit themes related to elections and ongoing geopolitical crises. These findings underscore the growing complexity and sophistication of cyber threats, emphasizing the need for robust defense strategies and continuous monitoring. While this summary is based on the information provided, cybersecurity professionals are encouraged to review the full report for detailed technical analysis and actionable intelligence.