Security Blind Spots Identified by AI The large-scale data breaches disclosed in quick succession in South Korea and Japan in October 2026 mostly originated not from internal core systems, but from peripheral entry points such as externally exposed web services, app backend APIs, and outsourced SaaS (services provided by third-party vendors via the cloud, such […]

Note The September 2026 Dark Web Breach Incident Trend Report focuses on data breach cases and the sale of initial access credentials posted on the deep web and dark web forums. The report explicitly states that the accuracy of some of its content cannot be fully verified due to the nature of the sources. Major […]

Purpose and Scope This report summarizes statistics on new ransomware samples, affected systems, and statistics on targeted businesses collected during the month of August 2026, as well as major Korean & Global ransomware issues. Statistics on targeted businesses were compiled based on the time when publicly available information from ransomware groups’ DLS (Dedicated Leak Sites, […]

Statistics on Malware Distributed to the Financial Sector Malware Distribution Trends. In Attack Stage 1, phishing was the highest at 2.1, Up from 1.8 The previous month. In Attack Stage 2, dropper/downloader was the highest at 1.1, Down from 3.2 The previous month. In Stage 3 of the attack, Infostealers were the most prevalent at […]

Note In August 2026, widespread instances of database leaks, the sale of internal data, and the trading of initial access privileges were observed on dark web and deep web forums. Due to the nature of the sources, it was difficult to fully verify the accuracy of some posts. Major Issues ShinyHunters continued to make claims […]

Note The August 2026 Dark Web Threat Actor Trend Report focuses on trends among threat actors—including hacktivists—active on the deep web and dark web. It is noted that the accuracy of some information could not be verified. Major Issues NoName057(16), BD Anonymous, and Dark Storm Team claimed responsibility for repeated DDoS attacks targeting websites of […]

Summary AtlasRAT is a Windows-based remote access malware. This report analyzes a four-stage in-memory loader chain—which begins with a Delphi executable that is disguised as AGE Flash Player—and its final RAT functionality. The final payload performs TLS-based ChaCha20-encrypted C2 communication, executes modular plugins, performs offline keylogging, and injects DLLs into WeChat processes. Group Characteristics Public […]

Note The June 2026 Dark Web Breach Incident Trend Report is based on major data breach cases posted on the deep web and dark web forums. Due to the nature of some sources, it was difficult to fully verify the accuracy of certain information, so the report includes content that requires further verification. Major Issue […]

Note The June 2026 Dark Web Threat Actor Trend Report focuses on trends among threat actors—including hacktivists—operating on the deep web and dark web. It is noted that the accuracy of some information could not be verified. Major Issues In Malaysia, a series of website defacement and compromise incidents targeting local development agencies and public […]

Notes the May 2026 Dark Web Breach Incident Trend Report is organized around the major cases of Data Breaches posted on the deep web and dark web forums. due to the nature of the source, some of the information may not be fully verifiable as to whether it is true or not, and is therefore […]

ASEC Blog publishes Ransom & Dark Web Issues Week 1, May 2026         Guatemalan Government Agency Data Sold on DarkForums BlackWater Ransomware Attack Targets Chinese Auto Parts Manufacturer Japanese Fintech Firm Suffers Unauthorized GitHub Access