May 2026 Threat Trend Report on Ransomware
Purpose and Scope This report summarizes the quantity of new ransomware samples collected during the month of May 2026, the number of affected systems, statistics on targeted businesses, and major Korean & Global ransomware issues. Statistics on samples and affected systems are based on AhnLab’s detection names, while statistics on
Ransom & Dark Web Issues Week 3, June 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 3, June 2026 Sale of Confidencial Defense Industry Documents in South Korea on Spear Forums Ransomware Attack by Qilin Targeting a South Korean Big Data Solution Company Ransomware Attack by Anubis Targeting a South Korean Semiconductor Equipment
Security Issues in the Korean & Global Financial Sector in May 2026
Statistics on Malware Distributed to the Financial Sector In Attack Stage 1 targeting the financial sector in May 2026, phishing had the highest score at 2.3. This is the highest figure since December 2025, indicating that Initial Breach attempts are increasingly centered on phishing. In Attack Stage 2, Dropper/Downloader had
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
May 2026 Dark Web Breach Incident Trend Report
Notes the May 2026 Dark Web Breach Incident Trend Report is organized around the major cases of Data Breaches posted on the deep web and dark web forums. due to the nature of the source, some of the information may not be fully verifiable as to whether it is true
May 2026 Dark Web Threat Actor Trend Report
Notes the May 2026 Dark Web Threat Actor Trend Report summarizes the trends of threat actors and hacktivists operating on the deep web and dark web. some statements are not factually verifiable. Major Issues hacktivist activity targeting the South Korean Region was concentrated. some hacktivist groups claimed DDoS attacks against
Ransom & Dark Web Issues Week 1, June 2026
ASEC Blog publishes Ransom & Dark Web Issues Week 1, June 2026 Qilin Ransomware Attack Targets South Korean Automation Equipment Company New Data Extortion Group Black X Claims Leak of Internal Data from South Korean Plastic Surgery Clinic Nova Ransomware Attack Targets Department of AI
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
Spread and Evolution of AI-Based Hacking Tools – From Dark Web Distribution to Autonomous Attacks
Key takeaway. since the emergence of WormGPT in June 2023, AI-based hacking tools have spread to the dark web, Telegram, GitHub, and Hugging Face. the market has evolved into a mix of paid subscription SaaS and free open-source distributions. key capabilities have been segmented into phishing automation, malware development, reconnaissance,

