Ransom & Dark Web  Issues Week 2, August 2025

Ransom & Dark Web Issues Week 2, August 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 2, August 2025           Ransomware Group ‘World Leaks’ Claims Attack on U.S. Defense Contractors Ongoing Identity Data Leaks Target Hotels in Montecatini, Rimini, Milan, and Bardonecchia, Italy New Cyber Threat Group Emerges: Scattered Lapsus$ Hunters  

Ransom & Dark Web  Issues Week 1, August 2025

Ransom & Dark Web Issues Week 1, August 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 1, August 2025         Emergence of New Ransomware Groups: BQTLock, Pear, and Black Nevas Increase in Cyberattacks Targeting South Korea [1], [2], [3] Ongoing Identity Information Leaks Targeting Hotels in Europe [1], [2], [3], [4]   

July 2025 Security Issues in Korean & Global Financial Sector

July 2025 Security Issues in Korean & Global Financial Sector

This report comprehensively covers actual cyber threats and security issues that have taken place targeting financial companies in Korea and abroad. This report includes an analysis of malware and phishing cases distributed to the financial industry, the top 10 malware strains targeting the financial sector, and statistics on the industries

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 

Ransom & Dark Web  Issues Week 3, July 2025

Ransom & Dark Web Issues Week 3, July 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 3, July 2025         Data from Indonesian government agencies leaked on DarkForums. User data from a Korean portal site was sold on a cybercrime forum. A multinational investigation, Operation Eastwood, was launched targeting the pro-Russian hacktivist group NoName057(16).

Ransom & Dark Web  Issues Week 2, July 2025

Ransom & Dark Web Issues Week 2, July 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 2, July 2025             Announcement of the shutdown and rebranding of the ransomware group Hunters International Emergence of multiple new ransomware groups and rebrands, DLS renewal and reactivation Sudden shutdown announcement alongside the ransomware group SatanLock

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 

Ransom & Dark Web  Issues Week 1, July 2025

Ransom & Dark Web Issues Week 1, July 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 1, July 2025           A new ransomware group named Kawa4096 Tonga’s Ministry of Health hit by INC RANSOM ransomware attack User data from three cryptocurrency exchanges in Austria, globally, and South Korea traded on two cybercrime forums

Ransom & Dark Web Issues Week 4, June 2025

Ransom & Dark Web Issues Week 4, June 2025

ASEC Blog publishes Ransom & Dark Web Issues Week 4, June 2025             Military-related data from Taiwan, Iran, and Algeria leaked on a cybercrime forum. Hacktivist group LulzSec Black leaked critical infrastructure and employee information of an Indian nuclear-related company on a cybercrime forum. Five