North Korean Threat Actor Kimsuky Targets Corporate Entities with Advanced Cyber Attacks

Published: May 30, 2026 • Reading Time: 6 min read • Reporting: Intelligence Division

Kimsuky, a North Korean state-sponsored threat actor, has launched a fresh set of cyber attacks on South Korean military and corporate entities. The attacks highlight the growing threat to B2B SaaS security and the need for robust defenses

The recent attacks by Kimsuky demonstrate the group's increasing sophistication and ability to exploit vulnerabilities in B2B SaaS systems. The use of HTTPSpy, HelloDoor, and VS Code tunnels suggests a high level of technical expertise and a willingness to invest in advanced cyber attack tools. As B2B SaaS continues to grow in popularity, companies must prioritize security and implement robust defenses to protect against such threats