INSPECTING ARCHIVED INTELLIGENCE (OUTDATED VERSION).

GS Construction complex leaks resident information due to hacking

| 2026-10-30 09:13 CRITICAL LOW DATA BREACH
JSON
Executive Summary
AI-generated
A recent data breach incident involving the personal information of residents of an apartment complex built by GS Construction has come to light, with targeted sector being telecommunications. The cyber operation type was a data breach, as unauthorized external access to the reservation management system of the apartment complex's community facilities led to leakage of customer information including name and gender, date of birth, mobile phone number, email, address, and password for the reservation system. GS Construction stated on 30th January that it had confirmed the fact of personal information leakage due to unauthorized external access, which was initially detected at 10:15 PM on 28th January, prompting immediate action to block unauthorized access and investigate customer information leakage.
Technical Mitigations AI-generated
• Patch the reservation management system of apartment complexes to prevent unauthorized external access. • Implement multi-factor authentication for residents' accounts, especially those using shared passwords across multiple websites. • Regularly monitor and analyze logs from community facilities' systems to detect potential hacking incidents in real-time.
Intelligence Metadata
Actors / Malware / CVEs / Campaigns
Target & Sectors
Global Scope telecommunicationstelecommunications
Incident Timeline
‎28th January
Unauthorized external access to the reservation management system for the apartment complex's community facilities was detected at 11:29 PM on January 28th.
‎30th January
GS Construction confirmed the leakage of resident information due to unauthorized external access to its reservation management system.
‎2026/10/30
Threat actors exploited a vulnerability to target the GS Construction complex, resulting in the unauthorized disclosure of resident information.
organisation GS Construction
Apts in Seoul also got hacked...GS Construction complex reported to have leaked resident information due to hacking..
Intelligence Sources
Chosun Economy 2026-10-30