January 2026 Threat Trend Report on Ransomware

January 2026 Threat Trend Report on Ransomware

This report provides the number of affected systems confirmed during January 2026, 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 were based on the diagnostic names assigned by AhnLab,

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

November 2025 Threat Trend Report on Ransomware

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

October 2025 Threat Trend Report on Ransomware

October 2025 Threat Trend Report on Ransomware

This report provides the number of affected systems identified and statistics related to DLS-based ransomware, as well as major ransomware issues in and out of Korea in October 2025. The following is a summary of the report.   The statistics on the number of ransomware samples and affected systems use

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

June 2025 Threat Trend Report on Ransomware

June 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 in June 2025, as well as major ransomware issues in and out of Korea. Below is a summary of the information.   The statistics on the number of ransomware samples

Ransom & Dark Web  Issues Week 2, July 2025

Ransom & Dark Web Issues Week 2, July 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 2, July 2025             Announcement of the shutdown and rebranding of the ransomware group Hunters International Emergence of multiple new ransomware groups and rebrands, DLS renewal and reactivation Sudden shutdown announcement alongside the ransomware group SatanLock

May 2025 Deep Web and Dark Web Trends Report

May 2025 Deep Web and Dark Web Trends Report

Disclaimer   This trend report on the deep web and dark web of May 2025 is sectioned into Ransomware, Data Breach, DarkWeb, CyberAttack, and Threat Actor. Please note that there are some parts of the content that cannot be verified for accuracy.     Key Issue    1)     Ransomware  

Ransom & Dark Web Issues Week 4, May 2025

Ransom & Dark Web Issues Week 4, May 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 4, May 2025               Six global hospitality companies listed as new victims of the Stormous ransomware. An unidentified South Korean company listed as a new victim of the Devman ransomware. Europol and Microsoft conduct an

April 2025 Deep Web and Dark Web Trends Report

April 2025 Deep Web and Dark Web Trends Report

Disclaimer   This trend report on the deep web and dark web of March 2025 is sectioned into Ransomware, Data Breach, DarkWeb, CyberAttack, and Threat Actor. Please note that there are some parts of the content that cannot be verified for ac     Key Issues      1)     Ransomware