INSPECTING ARCHIVED INTELLIGENCE (OUTDATED VERSION).

Duzon Bizon Hacking Influence Official Confirmation Leaks Changbi Education Information

| 2026-10-31 18:35 CRITICAL LOW DATA BREACH
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Executive Summary
AI-generated
On October 31, 2026, a data breach incident occurred at Shinhan Bank's 'Business On' service, affecting the education sector. The Korea Education and Research Information Service (KERIS) has requested public disclosure of the incident circumstances and measures to prevent future incidents. KERIS is also conducting a thorough review of the safety of personal information managed by Shinhan Bank. The breach may have leaked some personal data due to unauthorized access to an external back-up system, but it's unclear whether authors' or business partners' personal information was actually compromised. Users are warned to be cautious of contact attempts impersonating organizations and requesting personal information or financial transactions.
Technical Mitigations AI-generated
• Block or hunt for contact attempts impersonating the Korea Tax Service, financial institutions, and other organizations that request personal information. • Use encrypted data storage solutions to protect sensitive information from unauthorized access. • Implement multi-factor authentication (MFA) on all accounts managed by Shinhan Bank's 'Business On' service.
Intelligence Metadata
Actors / Malware / CVEs / Campaigns
Target & Sectors
Global Scope educationeducation financefinance mediamedia
Incident Timeline
‎2026/10/31
Threat actors used an external back-up system to breach the Shinhan Bank's 'Business On' service, potentially leaking personal information of authors and business partners.
organisation The Korea Education
Shinhan Bank's 'Business On' Service Experiences Data Breach Incident, Demands Public Disclosure of Incident Circumstances and Measures to Prevent Future Incidents The Korea Education and Research Information Service (KERIS) has requested Shinhan Bank's 'Business On' service to publicly disclose the incident circumstances, scope of the incident, and whether any personal information was leaked,…
organisation Research Information Service
Shinhan Bank's 'Business On' Service Experiences Data Breach Incident, Demands Public Disclosure of Incident Circumstances and Measures to Prevent Future Incidents The Korea Education and Research Information Service (KERIS) has requested Shinhan Bank's 'Business On' service to publicly disclose the incident circumstances, scope of the incident, and whether any personal information was leaked,…
organisation KERIS
Shinhan Bank's 'Business On' Service Experiences Data Breach Incident, Demands Public Disclosure of Incident Circumstances and Measures to Prevent Future Incidents The Korea Education and Research Information Service (KERIS) has requested Shinhan Bank's 'Business On' service to publicly disclose the incident circumstances, scope of the incident, and whether any personal information was leaked,…
organisation Shinhan Bank's 'Business On'
Shinhan Bank's 'Business On' Service Experiences Data Breach Incident, Demands Public Disclosure of Incident Circumstances and Measures to Prevent Future Incidents The Korea Education and Research Information Service (KERIS) has requested Shinhan Bank's 'Business On' service to publicly disclose the incident circumstances, scope of the incident, and whether any personal information was leaked,…
organisation Shinhan Bank
" In particular, the KERIS agency and Shinhan Bank are warning users to be cautious of contact attempts that impersonate the Korea Tax Service, financial institutions, and other organizations, and that request personal information or attempt to induce financial transactions, such as transferring funds or changing payment account information.
organisation the Korea Tax Service
" In particular, the KERIS agency and Shinhan Bank are warning users to be cautious of contact attempts that impersonate the Korea Tax Service, financial institutions, and other organizations, and that request personal information or attempt to induce financial transactions, such as transferring funds or changing payment account information.
organisation Korean Education Company, Changbi Education
Author and supplier information leak possibility.. Korean Education Company, Changbi Education, Announces Possible Leaks of Personal Information Due to Back-up Service Breach by Dozone Biz On Changbi Education, Following Earlier Announcement by Publisher Changbi, Notifies Possible Leaks of Personal Information of Authors and Business Partners Changbi Education stated that the breach occurred…
organisation Business Partners Changbi Education
Author and supplier information leak possibility.. Korean Education Company, Changbi Education, Announces Possible Leaks of Personal Information Due to Back-up Service Breach by Dozone Biz On Changbi Education, Following Earlier Announcement by Publisher Changbi, Notifies Possible Leaks of Personal Information of Authors and Business Partners Changbi Education stated that the breach occurred…
organisation Changbi Education
The breach is believed to have occurred through an external back-up system, and Changbi Education confirmed that some personal data may have been leaked.
organisation the Shinhan Bank
The KERIS agency is conducting a thorough review of the safety of personal information managed by the Shinhan Bank, and is also reviewing additional protective measures.
Intelligence Sources
Dailysecu 2026-10-31