Security Issues in the Korean & Global Financial Sector in July 2026

Security Issues in the Korean & Global Financial Sector in July 2026

Statistics on Malware Distributed to the Financial Sector In Attack Stage 1, phishing (a technique that tricks users into opening malicious links or attachments) had the highest rate at 1.7, Down from 2.3 The previous month. In Attack Stage 2, Dropper/Downloader (a type that downloads additional malware) was the most

May 2026 Threat Trend Report on Ransomware

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

May 2026 Security Issues in Korean & Global Financial Sector

May 2026 Security Issues in Korean & Global Financial Sector

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

April 2026 Security Issues in Korean & Global Financial Sector

April 2026 Security Issues in Korean & Global Financial Sector

Statistics on Malware Distributed to the Financial Sector attack Stage 1 Phishing, Attack Stage 2 Backdoor-Downloader-Dropper, and Attack Stage 3 Infostealer-Ransomware were identified as the top malware in the financial sector. The actual distribution files were identified based on MD5 Hash, and it was explained that there may be many

Ransom & Dark Web Issues Week 1, April 2026

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 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

January 2026 Threat Trend Report on Ransomware

January 2026 Threat Trend Report on Ransomware

This report provides the number of affected systems confirmed during January 2026, DLS-based ransomware-related statistics, and notable ransomware issues in Korea and abroad. Below is a summary of some information.   The statistics on the number of ransomware samples and affected systems were based on the diagnostic names assigned by AhnLab,

December 2025 Threat Trend Report on Ransomware

December 2025 Threat Trend Report on Ransomware

This report provides the number of affected systems confirmed during December 2025, DLS-based ransomware-related statistics, and notable ransomware issues in Korea and abroad. Below is a summary of some information.   The statistics on the number of ransomware samples and affected systems are based on the diagnostic names assigned by

Ransom & Dark Web  Issues Week 4, November 2025

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

September 2025 Threat Trend Report on Ransomware

September 2025 Threat Trend Report on Ransomware

This report provides information on the number of systems affected during the month of September 2025, statistics related to the DLS-based ransomware, and key ransomware issues from around the world. Below is a summary of the report.   The statistics on the number of ransomware samples and affected systems are