INSPECTING ARCHIVED INTELLIGENCE (OUTDATED VERSION).

LCSI Website Hacked by Unknown Entity

| 2026-11-02 02:05 LOW LOW DATA BREACH
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Executive Summary
AI-generated
LCSI, a research institute that provides personality tests and occupational psychological tests, has warned individuals about the possibility of personal information leakage due to hacking of its website. The actual evidence of the leaked information has not been confirmed, and the scope of the damage is still under investigation. The institute stated in a public notice on October 25 that it had confirmed the unauthorized intrusion into its website on October 23 and had immediately blocked it.
Technical Mitigations AI-generated
• Reset credentials and API keys that may have been exposed, and review access logs for the affected accounts or integrations.
Intelligence Metadata
Actors / Malware / CVEs / Campaigns
Target & Sectors
Global Scope
Incident Timeline
‎October 21 to 23
Threat actors exploited a security vulnerability on the website from October 21 to 23, allowing external access to the member information database.
‎October 23
Threat actors used an unspecified method to target the website of a South Korean cybersecurity research institute on October 23.
‎October 25
The cybersecurity research institute in South Korea confirmed a hacking incident on October 23, resulting in the unauthorized intrusion into its website.
‎2026/11/02
A hacking incident at a South Korean cybersecurity research institute, LCSI, has raised concerns that sensitive personal information and search history of its members may have been leaked.
organisation the Korea Internet & Security Agency
It has reported the incident to the Korea Internet & Security Agency (KISA) and other related agencies.
organisation KISA
It has reported the incident to the Korea Internet & Security Agency (KISA) and other related agencies.
Intelligence Sources
Dailysecu 2026-11-02