Ransom & Dark Web Issues Week 1, December 2025

Ransom & Dark Web Issues Week 1, December 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 1, December 2025.           Source code from a South Korean AI solution company, shared on DarkForums Nova (RALord) targets a South Korean industrial equipment manufacturer with ransomware attack PLAY targets a South Korean auto parts manufacturer with

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

Ransom & Dark Web  Issues Week 4, August 2025

Ransom & Dark Web Issues Week 4, August 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 4, August 2025         Qilin Targets Japanese Automotive Design Firm in Ransomware Attack Attempt to Sell South Korean Local Government Data on DarkForums Raises Credibility Concerns Emerging Ransomware Group Cephalus Hits at Least 9 Organizations, Reveals Victims via

Ransom & Dark Web  Issues Week 5, July 2025

Ransom & Dark Web Issues Week 5, July 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 5, July 2025           Reemergence of the Shut-Down Cybercrime Forum BreachForums Two Data Listings from South Korea by the Same Threat Actor Sequential Attacks: French Telecom Subsidiary Breach Leads to Parent Company Compromise  

Ransom & Dark Web  Issues Week 4, July 2025

Ransom & Dark Web Issues Week 4, July 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 4, July 2025             Pro-Russian Hacktivist Group NoName057(16) Launches DDoS Attack on Europol Website Data from French Defense Contractor for Sale on DarkForums XSS Forum Shutdown: Analyzing the Impact on the Russian-Speaking Cybercrime Ecosystem 

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

Cases Studies and Countermeasures of Credential Stuffing Attacks Using Leaked Accounts

Cases Studies and Countermeasures of Credential Stuffing Attacks Using Leaked Accounts

Abstract Credential stuffing attacks using leaked passwords have been rapidly increasing. These attacks that began with a simple technique has evolved—through advances in automation tools and the vulnerability of credential reuse—into large-scale account breaches and financial damages. Previously, the threats could be identified simply by detecting the large number of

January 2025 Security Issues in Korean & Global Financial Sector

January 2025 Security Issues in Korean & Global Financial Sector

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

Ransom & Dark Web Issues Week 1, January 2025

Ransom & Dark Web Issues Week 1, January 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 1, January 2025           Customer information data from a South Korean children’s bookstore has been leaked on BreachForums. RDP access credentials for a South Korean internet-only bank are being sold on BreachForums. Source code from South Korea’s