Ransom & Dark Web Issues Week 4, March 2026

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 3, March 2026

Ransom & Dark Web Issues Week 3, March 2026

ASEC Blog publishes Ransom & Dark Web Issues Week 3, March 2026           New Threat Actor CipherForce Claims Cyberattack on South Korean Job Portal New Threat Actor Loki Emerges, Leaks US Citizens’ Personal Data Cybercrime Forum LeakBase Shut Down Again by Russian Authorities

Ransom & Dark Web Issues Week 2, March 2026

Ransom & Dark Web Issues Week 2, March 2026

ASEC Blog publishes Ransom & Dark Web Issues Week 2, March 2026         Qilin ransomware attack targeting a well-known dermatology clinic in South Korea and the Korean branch of a global advertising company [1], [2] KillSec and Everest ransomware attacks targeting a South Korean exhibition management platform

February 2026 Security Issues Related to the Korean & Global Financial Sector

February 2026 Security Issues Related to the Korean & Global Financial Sector

This report comprehensively covers actual cyber threats and related security issues targeting financial institutions in South Korea and abroad. It includes analysis of malware and phishing cases distributed targeting the financial sector, presents the Top 10 major malware targeting the financial sector, and provides statistics on the industry sectors of

Analysis of the Decryptable Green Blood v2.0 Ransomware

Analysis of the Decryptable Green Blood v2.0 Ransomware

The Green Blood ransomware group, which has been active since January 2026, has been targeting countries in South Asia, Africa, and parts of South America, and is characterized by its Golang-based ransomware payload. In this post, we analyze the main characteristics of the Green Blood ransomware, its encryption method, and

Ransom & Dark Web Issues Week 1, March 2026

Ransom & Dark Web Issues Week 1, March 2026

ASEC Blog publishes Ransom & Dark Web Issues Week 1, March 2026         Morpheus Launches Ransomware Attack on South Korean Plating Company Ailock Resumes Activity and Republishes Previous Ransomware Victims Pro-Iranian and Pro-Islamist Hacktivist Groups Launch Cyber Attacks on Middle Eastern and Pro-Western Targets [1], [2]

복호화 가능성이 존재하는 Green Blood 랜섬웨어 분석

복호화 가능성이 존재하는 Green Blood 랜섬웨어 분석

Green Blood 랜섬웨어 그룹은 2026년 1월부터 활동이 확인된 신규 랜섬웨어 그룹으로, Golang 기반의 랜섬웨어 페이로드를 운영하는 것이 특징이다. 이들은 남아시아와 아프리카, 남미 일부 국가를 중심으로 공격을 전개하고 있으며, 다른 랜섬웨어 그룹과 마찬가지로 감염된 시스템의 파일을 암호화하고 피해 기업의 민감 정보를 탈취하는 이중 갈취 방식을 사용한다. 또한 몸값이 지불되지 않을 경우

Ransom & Dark Web Issues Week 4, Fabruary 2026

Ransom & Dark Web Issues Week 4, Fabruary 2026

ASEC Blog publishes Ransom & Dark Web Issues Week 4, Fabruary 2026           Source code of a South Korean accounting automation solution provider sold on BreachForums Beast ransomware attack targeting a South Korean pharmaceutical company and battery safety component manufacturer [1], [2] Atomsilo resumes activity and

Ransom & Dark Web Issues Week 3, Fabruary 2026

Ransom & Dark Web Issues Week 3, Fabruary 2026

ASEC Blog publishes Ransom & Dark Web Issues Week 3, Fabruary 2026           Anubis and The Gentlemen launch ransomware attacks targeting a South Korean plastics manufacturer and an IT consulting company [1], [2] Emergence of the new ransomware group Payload ShinyHunters claims data breach involving a

January 2026 Security Issues in Korean & Global Financial Sector

January 2026 Security Issues in Korean & Global Financial Sector

This report comprehensively addresses actual cyber threats and related security issues that have occurred in domestic and international financial sector companies. It includes an analysis of malware and phishing cases disseminated targeting the financial sector, presents the top 10 major malware aimed at the financial sector, and provides statistics on