McLaren Health Care

McLaren Health Care suffered its second major ransomware attack within a year, compromising the sensitive data of 743,000 individuals. The attack disrupted healthcare operations, potentially delaying critical medical services and exposing patients' personal and financial information. Given the scale of the breach affecting nearly three-quarters of a million people it represents a severe escalation in both frequency and sophistication of cyber threats targeting the healthcare sector. The incident underscores the growing vulnerability of healthcare providers to repeated, high-impact ransomware campaigns, which not only jeopardize patient trust but also threaten the organization’s operational continuity. The attack likely involved data exfiltration paired with encryption, amplifying financial, reputational, and regulatory risks. Recovery efforts would require significant resources, further straining the organization’s cybersecurity posture in an era where AI-powered threats are accelerating.

Source: https://www.cio.com/article/4071632/can-cybersecurity-pros-prevent-impending-ai-attacks.html

TPRM report: https://www.rankiteo.com/company/mclaren-bay-region

"id": "mcl2193021101425",
"linkid": "mclaren-bay-region",
"type": "Ransomware",
"date": "10/2025",
"severity": "100",
"impact": "5",
"explanation": "Attack threatening the organization’s existence"

{'affected_entities': [{'customers_affected': '364,000+ individuals',
                        'industry': 'Data & Analytics, Risk Management',
                        'name': 'LexisNexis Risk Solutions',
                        'type': 'Corporation'}],
 'attack_vector': 'Third-Party Compromise',
 'data_breach': {'data_exfiltration': 'Yes',
                 'number_of_records_exposed': '364,000+',
                 'personally_identifiable_information': 'Yes',
                 'sensitivity_of_data': 'High',
                 'type_of_data_compromised': 'Personal data'},
 'date_detected': '2024-12',
 'description': 'LexisNexis Risk Solutions suffered a breach in December 2024, '
                'where hackers accessed data from over 364,000 individuals '
                'through a compromised third-party platform. The incident '
                'highlights the growing concern among security leaders about '
                'AI-amplified attacks and the escalating scale and '
                'sophistication of breaches.',
 'impact': {'brand_reputation_impact': 'Potential reputational damage due to '
                                       'large-scale data exposure',
            'data_compromised': 'Personal data of 364,000+ individuals',
            'identity_theft_risk': 'High (personal data exposed)'},
 'initial_access_broker': {'entry_point': 'Third-party platform'},
 'title': 'LexisNexis Risk Solutions Data Breach via Compromised Third-Party '
          'Platform (December 2024)',
 'type': 'Data Breach'}