AltaMed Health Services: AtlaMed Data Breach Claims Investigated by Lynch Carpenter

AltaMed Health Services Reports Data Breach Impacting Patient and Employee Information

On February 17, 2026, AltaMed Health Services, a Southern California-based healthcare provider, disclosed a cybersecurity incident involving unauthorized access to its network. The breach potentially exposed sensitive personal and medical data, including names, dates of medical services, payment information, and Social Security numbers of patients and employees.

The incident was detected after an unauthorized actor gained access to AltaMed’s systems, compromising personally identifiable information (PII) and protected health information (PHI). Law firm Lynch Carpenter, LLP, has initiated an investigation into potential legal claims against AltaMed on behalf of affected individuals.

AltaMed serves as a major healthcare provider in the region, and the breach raises concerns about the security of patient data in the healthcare sector. No further details on the scope of the breach or the number of affected individuals have been released at this time.

Source: https://www.globenewswire.com/news-release/2026/02/17/3239539/0/en/AtlaMed-Data-Breach-Claims-Investigated-by-Lynch-Carpenter.html

AltaMed Health Services TPRM report: https://www.rankiteo.com/company/altamed-health-services

"id": "alt1771345808",
"linkid": "altamed-health-services",
"type": "Breach",
"date": "2/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"

{'affected_entities': [{'industry': 'Healthcare',
                        'location': 'Southern California',
                        'name': 'AltaMed Health Services',
                        'type': 'Healthcare Provider'}],
 'data_breach': {'personally_identifiable_information': 'Yes',
                 'sensitivity_of_data': 'High (PII and PHI)',
                 'type_of_data_compromised': ['Names',
                                              'Dates of medical services',
                                              'Payment information',
                                              'Social Security numbers']},
 'date_publicly_disclosed': '2026-02-17',
 'description': 'AltaMed Health Services disclosed a cybersecurity incident '
                'involving unauthorized access to its network, potentially '
                'exposing sensitive personal and medical data, including '
                'names, dates of medical services, payment information, and '
                'Social Security numbers of patients and employees.',
 'impact': {'brand_reputation_impact': 'Raises concerns about the security of '
                                       'patient data in the healthcare sector',
            'data_compromised': 'Personally identifiable information (PII) and '
                                'protected health information (PHI)',
            'identity_theft_risk': 'High',
            'legal_liabilities': 'Potential legal claims',
            'payment_information_risk': 'High'},
 'investigation_status': 'Ongoing (Lynch Carpenter, LLP investigation)',
 'references': [{'source': 'AltaMed Health Services Disclosure'}],
 'regulatory_compliance': {'legal_actions': 'Potential legal claims'},
 'response': {'third_party_assistance': 'Lynch Carpenter, LLP (investigation '
                                        'into potential legal claims)'},
 'threat_actor': 'Unauthorized actor',
 'title': 'AltaMed Health Services Data Breach',
 'type': 'Data Breach'}