The Virginia Attorney General's Office reported a data breach involving Horizon Behavioral Health on March 16, 2025. The breach was identified as a ransomware incident that began on or around March 13, 2025, potentially affecting various types of personal health information, including demographic and clinical data. The number of individuals affected is currently unknown.
Source: https://ago.vermont.gov/document/2025-04-21-horizon-behavioral-health-data-breach-notice-consumers
TPRM report: https://www.rankiteo.com/company/horizon-behavioral-health
"id": "hor1045072825",
"linkid": "horizon-behavioral-health",
"type": "Ransomware",
"date": "3/2025",
"severity": "100",
"impact": "5",
"explanation": "Attack threatening the organization's existence"
{'affected_entities': [{'industry': 'Healthcare',
'location': 'Virginia',
'name': 'Horizon Behavioral Health',
'type': 'Healthcare'}],
'attack_vector': 'Ransomware',
'data_breach': {'sensitivity_of_data': 'High',
'type_of_data_compromised': ['personal health information',
'demographic data',
'clinical data']},
'date_detected': '2025-03-16',
'date_publicly_disclosed': '2025-03-16',
'description': "The Virginia Attorney General's Office reported a data breach "
'involving Horizon Behavioral Health on March 16, 2025. The '
'breach was identified as a ransomware incident that began on '
'or around March 13, 2025, potentially affecting various types '
'of personal health information, including demographic and '
'clinical data. The number of individuals affected is '
'currently unknown.',
'impact': {'data_compromised': ['personal health information',
'demographic data',
'clinical data']},
'references': [{'date_accessed': '2025-03-16',
'source': "Virginia Attorney General's Office"}],
'title': 'Horizon Behavioral Health Data Breach',
'type': 'Data Breach'}