Kyowon Group: South Korea's Kyowon Group finds data-breach signs, reports to privacy regulator

South Korean Education Giant Kyowon Group Confirms Data Leak Following Ransomware Attack

On January 13, 2026, Kyowon Group a major South Korean education conglomerate revealed that a ransomware attack had compromised its systems, leading to indications of a data leak. The breach disrupted operations and triggered an investigation by South Korea’s privacy regulator, which has launched a fact-finding process to assess the incident’s scope and impact.

The attack highlights growing cybersecurity risks for large organizations, particularly in sectors handling sensitive data. While details on the extent of the breach and the threat actor remain undisclosed, the incident underscores the persistent threat of ransomware and its potential to expose confidential information. Authorities are expected to scrutinize Kyowon Group’s response and compliance with data protection regulations.

Source: https://www.mlex.com/mlex/articles/2429362/south-korea-s-kyowon-group-finds-data-breach-signs-reports-to-privacy-regulator

Kyowon Group TPRM report: https://www.rankiteo.com/company/kyowon

"id": "kyo1768292931",
"linkid": "kyowon",
"type": "Ransomware",
"date": "1/2026",
"severity": "100",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"

{'affected_entities': [{'industry': 'Education',
                        'location': 'South Korea',
                        'name': 'Kyowon Group',
                        'type': 'Conglomerate'}],
 'data_breach': {'data_exfiltration': 'Yes'},
 'date_publicly_disclosed': '2026-01-13',
 'description': 'Kyowon Group, the South Korean education conglomerate, found '
                'indications that data was leaked outside the company after a '
                'ransomware attack that disrupted its systems. The incident '
                'prompted the country’s privacy watchdog to open a '
                'fact-finding process.',
 'impact': {'data_compromised': 'Yes',
            'operational_impact': 'Disrupted operations',
            'systems_affected': 'Disrupted'},
 'investigation_status': 'Ongoing',
 'ransomware': {'data_exfiltration': 'Yes'},
 'references': [{'date_accessed': '2026-01-13', 'source': 'MLex'}],
 'regulatory_compliance': {'regulatory_notifications': 'Privacy watchdog '
                                                       'opened a fact-finding '
                                                       'process'},
 'title': 'Kyowon Group Ransomware Attack and Data Leak',
 'type': 'Ransomware'}