November 2025 Threat Trend Report on Ransomware
This report provides the number of affected systems confirmed during November 2025, DLS-based ransomware-related statistics, and notable ransomware issues in Korea and abroad. Below is a summary of some information. The statistics on the number of ransomware samples and affected systems are based on the diagnostic names assigned by
Ransom & Dark Web Issues Week 1, August 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 1, August 2025 Emergence of New Ransomware Groups: BQTLock, Pear, and Black Nevas Increase in Cyberattacks Targeting South Korea [1], [2], [3] Ongoing Identity Information Leaks Targeting Hotels in Europe [1], [2], [3], [4]

