December 2025 Threat Trend Report on Ransomware

December 2025 Threat Trend Report on Ransomware

This report provides the number of affected systems confirmed during December 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 4, September 2025

Ransom & Dark Web Issues Week 4, September 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 4, September 2025             Personal information of Spanish politicians and public officials shared on DarkForums. A university application platform in South Korea listed as a new victim by the ransomware group Kill Security. Data from a

August 2025 Threat Trend Report on Ransomware

August 2025 Threat Trend Report on Ransomware

This report provides the statistics and major ransomware-related issues in Korea and worldwide, as well as the number of affected systems and ransomware cases based on Dedicated Leak Sites (DLS) over the course of August 2025. Below is a summary of the report.   Disclaimer: The number of ransomware samples

July 2025 Threat Trend Report on Ransomware

July 2025 Threat Trend Report on Ransomware

This report provides statistics on the number of new ransomware samples and affected systems, and affected companies that were collected over the course of July 2025, as well as major ransomware issues in and out of Korea. Below is a summary of the information.   Disclaimer: The number of ransomware