November 2025 Threat Trend Report on Ransomware

November 2025 Threat Trend Report on Ransomware

This report provides the number of affected systems confirmed during November 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 3, Novermber 2025

Ransom & Dark Web Issues Week 3, Novermber 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 3, Novermber 2025             DireWolf launches ransomware attack against a Pakistani automobile assembly and sales company Massive data leak of major South Korean companies on DarkForums [1], [2], [3], [4] Akira ransomware group threatens data leak

Kawa4096 Ransomware: Leveraging Brand Mimicry for Psychological Impact

Kawa4096 Ransomware: Leveraging Brand Mimicry for Psychological Impact

In June 2025, a new ransomware group known as Kawa4096 emerged, targeting multinational organizations across various sectors, including finance, education, and services. Their attacks have affected companies in multiple countries, notably Japan and the United States. Although there is currently no public information confirming whether they operate as a Ransomware-as-a-Service (RaaS) or

July 2025 Threat Trend Report on Ransomware

July 2025 Threat Trend Report on Ransomware

This report provides statistics on the number of new ransomware samples and affected systems, and affected companies that were collected over the course of July 2025, as well as major ransomware issues in and out of Korea. Below is a summary of the information.   Disclaimer: The number of ransomware

June 2025 Trend Report on the Deep Web & Dark Web

June 2025 Trend Report on the Deep Web & Dark Web

Notice   This trend report on the deep web and dark web of June 2025 is sectioned into Ransomware, Data Breach, Dark Web, Cyberattack, and Threat Actors. We would like to state beforehand that some of the content has yet to be confirmed to be true.     Main Issue 

April 2025 Deep Web and Dark Web Trends Report

April 2025 Deep Web and Dark Web Trends Report

Disclaimer   This trend report on the deep web and dark web of March 2025 is sectioned into Ransomware, Data Breach, DarkWeb, CyberAttack, and Threat Actor. Please note that there are some parts of the content that cannot be verified for ac     Key Issues      1)     Ransomware

Report on Ransomware Attacks Targeting Korean Companies

Report on Ransomware Attacks Targeting Korean Companies

Overview     In recent years, ransomware attacks have been increasing worldwide, with Korean companies also experiencing a rise in cases. Especially since 2023, there has been a sharp surge in ransomware incidents targeting the Asia region, highlighting the need for a systematic analysis of this trend and its impact.

Damage Case Report on Japanese Companies Afflicted with Ransomware (2017 – 2025)

Damage Case Report on Japanese Companies Afflicted with Ransomware (2017 – 2025)

Introduction Japan ranks second in Asia for the number of ransomware incidents; as many companies with influence in the global economy and major industries are located there, the country has become a major target for threat actors. Attacks targeting Japan have increased sharply especially since 2023, and key industries such

November 2024: Security Issues in the Financial Industry

November 2024: Security Issues in the Financial Industry

This report comprehensively covers actual cyber threats and security issues that have occurred in the financial industry in South Korea and abroad. The article includes an analysis of malware and phishing cases distributed to the financial sector, the Top 10 malware targeting the financial sector, and statistics on the industries