AhnLab Cyber Threat Intelligence Report August 2023

This document is a Threat Trend Report on Ransomware for August 2023, published by AhnLab Security Emergency Response Center (ASEC). It provides detailed statistics on new ransomware samples, targeted systems, and businesses affected by ransomware attacks. The report outlines the objectives and scope, emphasizing the importance of understanding ransomware trends through monitored data. It includes major statistics derived from AhnLab's internal infrastructure, detailing data sources and collection methods. The report indicates a significant decrease in new ransomware samples, particularly noting a 90% reduction in Magniber samples. Additionally, it highlights the overall decline in targeted systems, which reached the lowest number recorded since monitoring began. The report also discusses specific ransomware types, their impact, and the behavior detection statistics, which showed an increase in behavior-based targeted systems. This report serves as a reference for understanding current ransomware trends and the dynamics of ransomware attacks.