Ransom & Dark Web Issues Week 1, September 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 1, September 2026 ZaWoo Data Extortion Attacks Against Multiple Organizations Worldwide Black X Ransomware Attack on a South Korean Automotive Parts Manufacturer Internal Data of a South Korean Asset Management and Investment Firm Offered for Sale
Ransom & Dark Web Issues Week 3, August 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 3, August 2026 Customer and Operational Data of a South Korean Delivery Platform Offered for Sale Unauthorized Access Incident at a Japanese Cloud and Data Center Services Company ShinyHunters Threatens Data Disclosure Against a U.S. Live-Streaming Platform
Ransom & Dark Web Issues Week 2, August 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 2, August 2026. DragonForce Ransomware Attack on a South Korean Online Education Company Qilin Ransomware Attack on a South Korean Motor and Robotics Manufacturer ShinyHunters Claims Data Leak from a U.S. Digital Healthcare Company
July 2026 Dark Web Breach Incident Trend Report
Note The July 2026 Dark Web Breach Incident Trend Report was compiled based on data breach cases posted on deep web and dark web forums. Due to the nature of some posts, it is difficult to fully verify their accuracy; some posts related to South Korea included AI-generated false data
Ransom & Dark Web Issues Week 5, July 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 5, July 2026 Termite Ransomware Attack on a U.S. Nonprofit Healthcare Provider ShinyHunters Claims Data Leak Involving a Global Accounting and Consulting Firm The Gentlemen Ransomware Attack on a South Korean IT Software Distributor and Infrastructure
June 2026 Security Issues in Korean & Global Financial Sector
Statistics on Malware Distributed to the Financial Sector In the June threat analysis for the financial sector, phishing was the most prevalent attack method in Attack Stage 1, while droppers/downloaders (distribution tools that download additional malware) were the most prevalent in Attack Stage 2. Infostealers were identified in the third
Ransom & Dark Web Issues Week 2, July 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 2, July 2026 Saudi Arabian Medical Records Breach, For Sale on Cybercrime Forum Irish ICT Company Data Leaked, For Sale on Cybercrime Forum LeakNet Breach Targets US Healthcare Insurer, Shared on Cybercrime Forums
June 2026 Dark Web Breach Incident Trend Report
Note The June 2026 Dark Web Breach Incident Trend Report is based on major data breach cases posted on the deep web and dark web forums. Due to the nature of some sources, it was difficult to fully verify the accuracy of certain information, so the report includes content that
Ransom & Dark Web Issues Week 2, June 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 2, June 2026 Black X Ransomware Attacks on Korean and U.S. Organizations Data from South Korean Education Platform Leaked on BreachForums by Hasan Breach of French Secure Government Messaging Data Discovered on PwnForums

