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
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
June 2025 Trend Report on the Deep Web & Dark Web
Notice This trend report on the deep web and dark web of June 2025 is sectioned into Ransomware, Data Breach, Dark Web, Cyberattack, and Threat Actors. We would like to state beforehand that some of the content has yet to be confirmed to be true. Main Issue
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
Ransom & Dark Web Issues Week 1, February 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 1, Februar 2025 Operation Talent: Major cybercrime forums like Nulled and Cracked seized Data from an Italian tire manufacturer sold on BreachForums South Korean electronics and automotive parts manufacturer exposed to Lynx ransomware attack
November 2024 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 November 2024, 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 based

