March 2026 Security Issues in the Korean & Global Financial Sector
Content. a number of malware samples including phishing, web shell, droppers, backdoor malware, downloaders, Infostealer, and CoinMiner targeting the financial sector have been distributed. we observed a number of cases where Korean disguised attachment names and HTML/JS execution methods were utilized to propagate phishing. account compromise campaigns through the Telegram
February 2026 APT Group Trends Report
Purpose and Scope. this report summarizes major APT group activity in February 2026. the analysis covers supply chain compromises, zero-day exploits, network segregation bypass, and backup and network infrastructure compromises. the major groups included in the report are APT28, Lotus Blossom, TA-RedAnt (APT37), UAT-8616, UNC3886, and UNC6201. Major APT groups
January 2026 APT Group Trends Report
Key APT Groups Sandworm attempted to destroy OT and IT equipment using DynoWiper after exploiting a vulnerable configuration of FortiGate, targeting at least 30 energy facilities, including wind and solar power plants in Poland, by the end of December 2025. They directly damaged RTUs, IEDs, and serial devices
December 2025 APT Group Trends
Key APT Group Trends by Region 1) North Korea North Korean state‑sponsored threat groups have increasingly relied on fake IT employment schemes, actively exploiting legitimate hiring platforms and fabricated identities to infiltrate corporate environments. These actors frequently take advantage of remote‑work infrastructures to obtain elevated access and
November 2025 APT Group Trends
Trends of Key APT Groups by Region 1) North Korea The attack techniques of threat actors suspected to be based in North Korea are continuously evolving. In the case of malware distribution, threat actors are increasingly using a JSON-based cloud storage service instead of traditional email attachments or
October 2025 APT Group Trends
Trends of Key APT Groups by Region 1) North Korea North Korea-affiliated cyber threat groups have stolen cryptocurrency, credentials, and performed reconnaissance and remote control attacks through various malware and operations. They used Node.js-based malware and a multi-stage infection chain to target both Windows and macOS environments. Through their
September 2025 APT Group Trends
Trends of Key APT Groups by Region 1) North Korea North Korea-linked APT groups have been intensively carrying out advanced spear-phishing and remote access attacks against the defense, military, and cryptocurrency sectors in South Korea. They have also introduced a new psychological deception technique using generative AI and
August 2025 Threat Trend Report on APT Groups
Purpose and Scope This report covers nation-led threat groups, presumed to conduct cyber espionage or sabotage supported by certain governments. These groups are referred to as advanced persistent threat (APT) groups for the sake of convenience. Therefore, this report does not contain information on cybercriminal groups aiming to gain financial
July 2025 Major APT Group Trends
Purpose and Scope This report covers nation-led threat groups, presumed to conduct cyber espionage or sabotage supported by certain governments. These groups are referred to as advanced persistent threat (APT) groups for the sake of convenience. Therefore, this report does not contain information on cybercriminal groups aiming to gain financial
Mobile Security & Malware Issue 2st Week of August, 2025
ASEC Blog publishes “Mobile Security & Malware Issue 2st Week of August, 2025”
