Signature Healthcare Discloses Data Breach Affecting U.S. Patients
Signature Healthcare Corp., a nonprofit integrated healthcare system based in Brockton, Massachusetts, has reported a data breach impacting individuals across the United States. The organization, which provides a broad range of medical services including emergency care, primary care, cardiology, psychiatry, and nursing education filed the disclosure with the U.S. Department of Health and Human Services on June 5, 2026.
As of June 30, 2026, limited details about the breach have been made public. The specific types of compromised data whether personal, medical, or both remain undisclosed. Given Signature Healthcare’s role in patient care, the exposed information may include sensitive health records.
The organization has directed potentially affected individuals to contact its offices or visit its website for further updates. Additional details about the incident, including the cause, scope, and remediation efforts, have yet to be released. The situation remains under review as more information becomes available.
Source: https://www.claimdepot.com/data-breach/signature-healthcare-2026
Signature HealthCARE cybersecurity rating report: https://www.rankiteo.com/company/signature-healthcare
"id": "SIG1783628716",
"linkid": "signature-healthcare",
"type": "Breach",
"date": "6/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'customers_affected': 'U.S. patients',
'industry': 'Healthcare',
'location': 'Brockton, Massachusetts, USA',
'name': 'Signature Healthcare Corp.',
'type': 'Nonprofit integrated healthcare system'}],
'customer_advisories': 'Affected individuals directed to contact offices or '
'visit website for updates',
'data_breach': {'sensitivity_of_data': 'High (potential sensitive health '
'records)',
'type_of_data_compromised': 'Personal and/or medical data '
'(undisclosed)'},
'date_publicly_disclosed': '2026-06-05',
'description': 'Signature Healthcare Corp. has reported a data breach '
'impacting individuals across the United States. The specific '
'types of compromised data remain undisclosed but may include '
'sensitive health records.',
'impact': {'data_compromised': 'Sensitive health records (potential)'},
'investigation_status': 'Under review',
'references': [{'date_accessed': '2026-06-30',
'source': 'U.S. Department of Health and Human Services'}],
'regulatory_compliance': {'regulatory_notifications': 'Filed disclosure with '
'U.S. Department of '
'Health and Human '
'Services'},
'response': {'communication_strategy': 'Affected individuals directed to '
'contact offices or visit website for '
'updates'},
'title': 'Signature Healthcare Data Breach',
'type': 'Data Breach'}