Y.A.C. Holdings Co., Ltd.

Y.A.C. Holdings Co., Ltd. experienced a ransomware attack on its subsidiary, YAC GARTER CO., LTD., resulting in a system failure. While the company is collaborating with external cybersecurity experts to investigate and recover, no data breaches have been confirmed as of the latest update. The financial repercussions for fiscal year 2025 are anticipated to be minor, suggesting limited operational or reputational damage. The attack did not disrupt core business functions significantly, nor did it lead to confirmed theft or exposure of sensitive data. Analysts maintain a ‘Buy’ rating on the stock (JP:6298), indicating market confidence in the company’s resilience post-incident. The incident highlights the growing threat of ransomware in the technology sector but underscores the company’s proactive response to mitigate risks.

Source: https://www.tipranks.com/news/company-announcements/y-a-c-holdings-subsidiary-hit-by-ransomware-minimal-impact-expected

VIDEOTON HOLDING ZRt. cybersecurity rating report: https://www.rankiteo.com/company/videoton-holding-zrt

"id": "VID3032230112625",
"linkid": "videoton-holding-zrt",
"type": "Ransomware",
"date": "6/2025",
"severity": "50",
"impact": "1",
"explanation": "Attack without any consequences"

{'affected_entities': [{'industry': 'Technology',
                        'name': 'YAC GARTER CO., LTD.',
                        'type': 'Subsidiary'},
                       {'industry': 'Technology',
                        'location': 'Japan (listed on Tokyo Stock Exchange '
                                    'Prime)',
                        'name': 'Y.A.C. Holdings Co., Ltd.',
                        'type': 'Parent Company'}],
 'description': 'Y.A.C. Holdings Co., Ltd. announced a ransomware attack on '
                'its subsidiary, YAC GARTER CO., LTD., which led to a system '
                'failure. The company is working with external experts to '
                'assess and recover from the incident, and no data breaches '
                'have been confirmed. The impact on the company’s financial '
                'performance for fiscal year 2025 is expected to be minor.',
 'impact': {'financial_loss': 'Minor (expected for fiscal year 2025)',
            'operational_impact': 'System failure',
            'systems_affected': ['YAC GARTER CO., LTD. systems']},
 'investigation_status': 'Ongoing (assessment and recovery phase)',
 'references': [{'source': 'TipRanks'}],
 'response': {'incident_response_plan_activated': True,
              'recovery_measures': ['Assessment and recovery with external '
                                    'experts'],
              'third_party_assistance': ['External experts']},
 'title': 'Ransomware Attack on YAC GARTER CO., LTD.',
 'type': 'Ransomware Attack'}