North Korean Hacking Operation Exposed: Kimsuky Group Compromised

Aug 13, 2025 North Korea North Korea Cybersecurity
North Korean Hacking Operation Exposed: Kimsuky Group Compromised

Hackers exposed a North Korean spying operation, compromising a Kimsuky member. Leaked data revealed tactics, targets, and cooperation with Chinese hackers.

North Korean Hacking Operation Exposed: Kimsuky Group Compromised

Hackers, identified as Saber and cyb0rg, have revealed details of a major North Korean espionage campaign after breaching a system used by a member of the Kimsuky group.

Kimsuky's Operations Unveiled

The hackers targeted a workstation belonging to an operative within Kimsuky, also known as APT43 and Thallium, a notorious North Korean government-backed espionage organization. The compromised data was subsequently leaked to DDoSecrets.

Key findings include:

  • Evidence of collaboration between Kimsuky and Chinese hackers.
  • Details of Kimsuky's tools and techniques.
  • Compromised South Korean government networks and companies.
  • Stolen email addresses and internal manuals.

The hackers shared their findings in an article published in Phrack magazine, a cybersecurity e-zine distributed at the Def Con conference.

Hackers' Motivation

Saber and cyb0rg expressed strong criticism of Kimsuky's motives, accusing them of hacking for financial gain and political agendas. They emphasized that Kimsuky's actions are morally reprehensible.

The leaked data provides unprecedented insight into the operations of a North Korean hacking group, typically shrouded in secrecy.

By news 1 week ago
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