March 2025 Threat Trend Report on Ransomware
This report provides statistics on the number of new ransomware samples, number of targeted systems, and targeted companies collected in March 2025, as well as major Korean and international ransomware issues worth noting. Below are the summarized details. The number of ransomware samples and number of damaged systems is
Ransom & Dark Web Issues Week 1, April 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 1, April 2025 The new ransomware group Chaos claims attacks on four U.S.-based companies. The customer database of South Korea’s AI-based legal consultation platform leaked on BreachForums. Data leaked from a South Korean automotive
Report on Ransomware Attacks Targeting Korean Companies
Overview In recent years, ransomware attacks have been increasing worldwide, with Korean companies also experiencing a rise in cases. Especially since 2023, there has been a sharp surge in ransomware incidents targeting the Asia region, highlighting the need for a systematic analysis of this trend and its impact.
Damage Case Report on Japanese Companies Afflicted with Ransomware (2017 – 2025)
Introduction Japan ranks second in Asia for the number of ransomware incidents; as many companies with influence in the global economy and major industries are located there, the country has become a major target for threat actors. Attacks targeting Japan have increased sharply especially since 2023, and key industries such
February 2025 Threat Trend Report on Ransomware
Purpose and Scope This report provides statistics on new ransomware samples, targeted systems, and targeted companies collected in February 2025, as well as major Korean and international ransomware issues worth noting. Other major issues and statistics on ransomware that are not mentioned in the report can be found by searching
Ransom & Dark Web Issues Week 1, March 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 1, March 2025 SSH and DNS access rights of the world’s second-largest instant noodle brand company are being sold on BreachForums Pro-Russian hacktivist SECT0R16 claims to have hacked the greenhouse environment control equipment system in Jeonju,
January 2025 Threat Trend Report on Ransomware
Purpose and Scope This report provides statistics on new ransomware samples, targeted systems, and targeted companies collected in January 2025, as well as major Korean and international ransomware issues worth noting. Other major issues and statistics on ransomware that are not mentioned in the report can be found by
Ransom & Dark Web Issues Week 2, January 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 2, January 2025 Anonymous Sudan announces return as a new hacktivist group New ransomware gang Morpheus Data from South Korean ICT prototype service company: Sold on BreachForums
December 2024 Threat Trend Report on Ransomware
Purpose and Scope This report provides statistics on new ransomware samples, targeted systems, and targeted companies collected in December 2024, as well as major Korean and international ransomware issues worth noting. Other major issues and statistics on ransomware that are not mentioned in the report can be found by searching
Statistical Report on Malware Threat in Q4 2024
Overview AhnLab uses the automatic analysis system RAPIT to categorize and respond to malware collected through a variety of routes. This report categorizes and shares statistics on known malware among the ones collected during Q4 2024. The malware strains included in the statistics are in the executable format and

