Charles River Insurance Data Breach: Akira Ransomware Group Claims Theft of 63GB of Sensitive Data
Charles River Insurance, a Massachusetts-based provider with offices in Framingham and Leominster, has confirmed a data breach that may have exposed sensitive personal information. The incident is under investigation by a cybersecurity firm, with the ransomware group Akira claiming responsibility and alleging possession of 63GB of stolen data.
The compromised data reportedly includes Social Security numbers, driver’s licenses, passports, addresses, contact details, and financial information belonging to employees and customers. Charles River Insurance has stated it will notify affected individuals if evidence of data compromise is found.
Legal teams are actively investigating the breach, with potential class action lawsuits being considered for those impacted. The investigation remains ongoing, and no further details on the breach’s scope or timeline have been disclosed. The incident highlights the growing threat of ransomware attacks targeting sensitive corporate and customer data.
Source: https://www.classaction.org/data-breach-lawsuits/charles-river-insurance-april-2026
Charles River Insurance cybersecurity rating report: https://www.rankiteo.com/company/charles-river-insurance
"id": "CHA1775514758",
"linkid": "charles-river-insurance",
"type": "Ransomware",
"date": "1/2026",
"severity": "100",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'industry': 'Insurance',
'location': 'Framingham, Leominster, Massachusetts, '
'USA',
'name': 'Charles River Insurance',
'type': 'Insurance Provider'}],
'customer_advisories': 'Notifications to be sent if evidence of compromise is '
'found',
'data_breach': {'data_exfiltration': '63GB of data allegedly stolen',
'personally_identifiable_information': 'Yes',
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['Social Security numbers',
'Driver’s licenses',
'Passports',
'Addresses',
'Contact details',
'Financial information']},
'description': 'Charles River Insurance, a Massachusetts-based provider with '
'offices in Framingham and Leominster, has confirmed a data '
'breach that may have exposed sensitive personal information. '
'The ransomware group *Akira* claimed responsibility and '
'alleged possession of 63GB of stolen data, including Social '
'Security numbers, driver’s licenses, passports, addresses, '
'contact details, and financial information belonging to '
'employees and customers. The incident is under investigation '
'by a cybersecurity firm, and legal teams are exploring '
'potential class action lawsuits.',
'impact': {'brand_reputation_impact': 'Potential reputational damage',
'data_compromised': '63GB of sensitive data',
'identity_theft_risk': 'High',
'legal_liabilities': 'Potential class action lawsuits',
'payment_information_risk': 'High'},
'investigation_status': 'Ongoing',
'motivation': 'Financial gain, Data exfiltration',
'ransomware': {'data_exfiltration': 'Yes', 'ransomware_strain': 'Akira'},
'references': [{'source': 'Cybersecurity news reports'}],
'regulatory_compliance': {'legal_actions': 'Potential class action lawsuits'},
'response': {'communication_strategy': 'Notifications to affected individuals '
'if evidence of compromise is found',
'third_party_assistance': 'Cybersecurity firm investigating'},
'threat_actor': 'Akira Ransomware Group',
'title': 'Charles River Insurance Data Breach: Akira Ransomware Group Claims '
'Theft of 63GB of Sensitive Data',
'type': 'Data Breach, Ransomware'}