April 2025 Threat Trend Report on Ransomware
This report provides statistics on the number of new ransomware samples collected, the number of affected systems, and affected companies in April 2025, as well as key ransomware issues in and out of Korea. Below is a summary of the report. Disclaimer: The number of ransomware samples and damaged
Ransom & Dark Web Issues Week 1, May 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 1, May 2025 The new ransomware group Silent Team, which operates anonymously, claims attacks on three companies based in the US and Japan. The new ransomware group Gunra claims attacks on four companies across
Ransom & Dark Web Issues Week 3, April 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 3, April 2025 Qilin Ransomware Attack on South Korean Corporations: Threat Analysis and Implications Renowned Cybercrime Forum BreachForums Experiences Access Errors and Goes Offlin U.S.-based Imageboard Site 4chan Experiences Service Disruption Due
March 2025 Deep Web and Dark Web Trends Report
Note 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 accuracy. Key Issues 1)
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,

