April 2026 Threat Trend Report on APT Attacks (South Korea)

April 2026 Threat Trend Report on APT Attacks (South Korea)

Overview ahnLab utilized its infrastructure to monitor Advanced Persistent Threat (APT) attacks on targets in Korea. this report summarizes the classification, statistics, and features of each type of APT attacks identified in Korea during the month of April 2026. Trends of APT Attacks in South Korea most of the APT

March 2026 APT Attack Trends Report (Domestic)

March 2026 APT Attack Trends Report (Domestic)

Overview ahnLab monitored APT attacks against domestic targets during the month of March 2026. most of the attacks were launched through Spear Phishing emails sent after reconnaissance of specific targets. APT Attack Trends in Korea the majority of distribution vectors were shortcut (.lnk) files, with LNK-based attacks dominating. Type A

Malicious LNK Files Distributing a Python-Based Backdoor and Changes in Distribution Techniques (Kimsuky Group)

Malicious LNK Files Distributing a Python-Based Backdoor and Changes in Distribution Techniques (Kimsuky Group)

Overview AhnLab SEcurity intelligence Center (ASEC) recently identified a change in the Kimsuky group’s method of distributing malicious LNK files. The overall attack flow remains the same as before, with a malicious LNK ultimately executing a Python-based backdoor or downloader. However, a structural change was observed in the intermediate execution

January 2026 APT Group Trends Report

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

November 2025 APT Group Trends

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

Cybersecurity Threat Trends in 2025 and Outlook for 2026

Cybersecurity Threat Trends in 2025 and Outlook for 2026

Overview   About the Report     This report is based on the security content provided through AhnLab’s threat intelligence platform, AhnLab TIP. It examines various security issues and trends from the fourth quarter of 2024 to the third quarter of 2025 and provides a forecast on cybersecurity threats in

September 2025 APT Group Trends

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

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

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

Threat Trend Report on APT Groups – June 2025 Major APT Group Trends

Threat Trend Report on APT Groups – June 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