APT / THREAT GROUP🕵️ ESPIONAGEADVANCED

Kimsuky

🇰🇵North Korea-attributed
12
aliases
Last seen:May 19, 2026

Intelligence Profile

This threat actor targets South Korean think tanks, industry, nuclear power operators, and the Ministry of Unification for espionage purposes.

Threat Analysis

Kimsuky is a advanced-sophistication threat actor attributed to North Korea, engaged in cyber operations with a primary motivation of espionage.

The group's espionage-oriented operations suggest a state-sponsored or state-aligned mandate, typically focused on stealing intellectual property, government secrets, or military intelligence. Targets are usually selected for strategic value rather than financial gain.

Classified as an advanced threat actor, Kimsuky likely develops or acquires zero-day exploits, employs custom malware toolchains, and demonstrates long-term persistence capabilities — hallmarks of a well-resourced operation consistent with nation-state backing.

Intelligence Reports Mentioning Kimsuky

External References

Quick Facts

TypeAPT / Threat Group
Motivation🕵️ espionage
Sophisticationadvanced
Origin🇰🇵 North Korea
Aliases12
SourceMalpedia

Also Known As

KimsukyBlack BansheeVelvet ChollimaSpringtailG0086THALLIUMSparkling PiscesEmerald SleetAPT43ThalliumOperation Stolen Pencilwin.kimsuky

External Intelligence

Malpedia: win.kimsuky

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.