June 2026 Threat Trend Report on APT Attacks (South Korea)
Content AhnLab monitored domestic APT (Advanced Persistent Threat) attacks—which are conducted covertly and persistently—using its own infrastructure. This report summarizes the classification and statistics on domestic APT attacks identified in June 2026 and describes the capabilities of each type of APT attack. Purpose and Scope Most of the APT attacks
Attack Cases by the Kimsuky Group Impersonating Diplomats (PebbleDash, PrxClient)
AhnLab SEcurity intelligence Center (ASEC) previously disclosed an attack case in which the Kimsuky group used spear phishing attacks to install the PebbleDash malware in a post titled “Analysis of the Kimsuky Group’s Latest Attacks Exploiting PebbleDash and RDP Wrapper” [1]. The same threat actors have continued their activities in
Statistical Report on Malware Targeting Linux SSH Servers in Q2 2026
Content In the second quarter of 2026, the AhnLab SEcurity intelligence Center (ASEC) collected and analyzed attack logs targeting poorly managed Linux SSH servers through honeypots. The scope of the analysis covers attack sources that progressed to executing actual malware installation commands, as well as statistics on the malware used
Statistical Report on Malware Targeting Windows Database Servers in Q2 2026
Contents The AhnLab SEcurity intelligence Center (ASEC) analyzed attack logs from the second quarter of 2026 targeting MS-SQL server and MySQL server installations on Windows. This report summarizes the damage status, attack status, and the classification of the malware and tools used in the attacks. Purpose and Scope The targets
May 2026 Threat Trend Report on APT Attacks (South Korea)
Overview AhnLab monitored APT (Advanced Persistent Threat) attacks—covert, sustained targeted attacks—using its own infrastructure. This report summarizes the types and statistics on domestic APT attacks identified during the month of May 2026 and discusses the characteristics of each type as well as AhnLab Response Overview. Trends of APT Attacks in
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)
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
Statistics Report on Malware Targeting Windows Database Servers in Q1 2026
Description. analysis of ASEC’s ASD logs for Q1 2026 showed a consistent trend of attacks against MS-SQL and MySQL. the number of attacks tended to decrease temporarily in February before increasing again in March. Purpose and Scope. this report summarizes the statistics of attacks targeting MS-SQL and MySQL servers installed
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
February 2026 APT Attack Trends Report (South Korea)
Overview. ahnLab monitored APT attacks against domestic targets during the month of February 2026 through its infrastructure. this report summarizes the classification, statistics, and features of each type of domestic APT attacks identified during the period. APT Domestic Attack Trends. we found that most of the infiltrations were carried out
