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
August 2025 Threat Trend Report on Ransomware
This report provides the statistics and major ransomware-related issues in Korea and worldwide, as well as the number of affected systems and ransomware cases based on Dedicated Leak Sites (DLS) over the course of August 2025. Below is a summary of the report. Disclaimer: The number of ransomware samples
Warning About NightSpire Ransomware Following Cases of Damage in South Korea
NightSpire operates a DLS (Dedicated Leak Site) and posts a countdown timer for the public release of information and data about victims. The group is known for using highly threatening language for their cyber extortion. This post describes the analysis and characteristics of NightSpire ransomware. 1. Overview 1.1. NightSpire
April 2025 Threat Trend Report on Ransomware
This report provides statistics on the number of new ransomware samples collected, the number of affected systems, and affected companies in April 2025, as well as key ransomware issues in and out of Korea. Below is a summary of the report. Disclaimer: The number of ransomware samples and damaged
March 2025 Deep Web and Dark Web Trends Report
Note 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 accuracy. Key Issues 1)
Ransom & Dark Web Issues Week 4, March 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 4, March 2025 * New ransomware group Arkana Security claims attack on a US telecommunications company. * New ransomware group Frag claims attacks on 27 companies located in the US,
