Ransom & Dark Web Issues Week 4, May 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 4, May 2026 Customer Data of Japanese Educational Franchise Sold on BreachForums by Hasan Data from Japanese Government Agency for National Civil Servant Personnel Administration Sold on BreachForums by Hasan FBI Issues Warning Regarding Fraudulent FIFA
Dark Web Threat Actor Trend Report, April 2026
Notes the April 2026 Dark Web Threat Actor Trend Report summarizes trends in hacktivists and threat actors operating on the deep web and dark web. due to the nature of the sources, some of the information is difficult to fully verify as factual. Major Issues NoName05716 claimed repeated DDoS attacks
Ransom & Dark Web Issues Week 1, May 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 1, May 2026 Guatemalan Government Agency Data Sold on DarkForums BlackWater Ransomware Attack Targets Chinese Auto Parts Manufacturer Japanese Fintech Firm Suffers Unauthorized GitHub Access
Ransom & Dark Web Issues Week 1, April 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 1, April 2026 Ransomware group NetRunner attack against the Indian subsidiary of a South Korean auto parts manufacturer Ransomware group Everest attack against a major Japanese automaker ShinyHunters claims of source code and internal data leak
Ransom & Dark Web Issues Week 4, March 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 4, March 2026 Japanese Automaker Suffers Personal Data Breach via Unauthorized External Access INC Ransom Targets South Korean Steel Manufacturer in Ransomware Attack LeakBase Forum Administrator Arrested in Russia
Ransom & Dark Web Issues Week 2, January 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 2, January 2026 Qilin ransomware attack against a Korean automotive smart factory automation equipment manufacturer Customer data of a Korean cloud and hosting service provider shared on DarkForums Everest ransomware attack against a major Japanese automobile
Ransom & Dark Web Issues Week 4, December 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 4, December 2025 Denmark points to Russia-linked actors as behind destructive attacks on water facilities and large-scale pre- and post-election DDoS campaigns Customer data of a Japanese automaker leaked following a breach at a U.S. software
Ransom & Dark Web Issues Week 4, November 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 4, November 2025 Qilin ransomware group claims attack on a Japanese company providing automotive financial services. Everest ransomware group launches data exfiltration attack against Spain’s largest airline. Access to internal systems of Saudi Arabia’s state-owned airport operator
Ransom & Dark Web Issues Week 4, October 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 4, October 2025 Black Shrantac Lists a South Korean Cybersecurity Firm as Its Victim Qilin Targets South Korean Financial Intelligence Firm in Ransomware Attack Ransomware Attack Causes System Outage at Major Japanese Online Retailer Online
August 2025 Security Issues in Korean & Global Financial Sector
This report comprehensively covers actual cyber threats and security issues related to financial companies in South Korea and abroad. This article includes an analysis of malware and phishing cases distributed to the financial sector, the top 10 malware strains targeting the financial sector, and the industry statistics of leaked Korean

