BreachForums analyzes data breach incident (“Doomsday The Story of James”)

BreachForums analyzes data breach incident (“Doomsday The Story of James”)

introduction: What is BreachForums? Who is BreachForums? BreachForums is a criminal marketplace where hackers buy and sell personal information (emails, passwords, credit card information, etc.) stolen from companies or government agencies. it is a large online community with hundreds of thousands of members, a platform where compromised databases are posted

February 2026 APT Attack Trends Report (South Korea)

February 2026 APT Attack Trends Report (South Korea)

Overview   AhnLab utilizes its infrastructure to monitor for Advanced Persistent Threat (APT) attacks in South Korea. This report covers the classification and statistics on APT attacks on South Korea targets identified during the month of February 2026, and introduces the features of each type.  Figure 1. Statistics on APT

February 2026 APT Group Trends Report

February 2026 APT Group Trends Report

Key APT Groups   Among the activities of APT groups in February 2026, attacks by APT28, Lotus Blossom, TA-RedAnt (APT37), UAT-8616, UNC3886, and UNC6201 were particularly prominent.   Lotus Blossom exploited the Notepad++ supply chain infrastructure to inject malicious executables into legitimate update processes, combining DLL sideloading with multi-stage loaders

February 2026 Infostealer Trend Report

February 2026 Infostealer Trend Report

This report provides statistics, trends, and case information regarding the no. of malware distribution cases, distribution methods, and disguise techniques for Infostealer collected and analyzed during the month of February 2026. Below is a summary of the report’s original content.   1) Data Sources and Collection Methods  AhnLab SEcurity intelligence

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

February 2026 Phishing Email Trends Report

February 2026 Phishing Email Trends Report

This report provides statistics, trends, and case information regarding the distribution volume and attachment threats of phishing emails collected and analyzed during the month of February 2026. The report below contains some statistical data and cases included in the original content. 1) Phishing Email Threat Statistics The most prevalent threat

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

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

January 2026 Threat Trend Report on APT Attacks (South Korea)

January 2026 Threat Trend Report on APT Attacks (South Korea)

Overview   Ahnlabs is monitoring APT (Advanced Persistent Threat) attacks in South Korea by utilizing their own infrastructure. This report covers the classification, statistics, and features of APT attacks in South Korea that were identified in January 2026. Figure 1. Statistics of APT attacks in South Korea in January 2026

January 2026 Infostealer Trend Report

January 2026 Infostealer Trend Report

This report provides statistics, trends, and case information regarding the distribution quantity, distribution methods, and obfuscation techniques of Infostealer malware collected and analyzed during the month of January 2026. Below is a summary of the original report content.   1) Data Sources and Collection Methods  AhnLab Security Intelligence Center (ASEC)