It has been confirmed that the ‘Kimsuky’ group, one of the hacking groups in North Korea, carried out an attack targeting the SOMESINg Project. The malicious code deployed on the PC, which fell victim to the hacking attack via a phishing email impersonating an exchange, is presumed to be a novel malicious code downloader not yet cataloged in the V3 antivirus security database. In addition, we strengthened system security by signing a contract to add four functions (IPS, antivirus, web filtering, and malware) to the FortiGate firewall that was already introduced and operated in the project. Hacking Path Analysis On January 16, 2024, a phishing email impersonating one of the Korean Exchanges where SSX is listed was received by the exchange response staff within the SOMESING team.