Idomeneo Enterprises Reports Data Breach Affecting Sensitive Personal Information
Idomeneo Enterprises, Inc., a California-based human resources consulting firm founded in 2001, has notified the Massachusetts Attorney General’s office of a data breach that may have compromised sensitive personal identifiable information (PII). The company, which provides HR services such as payroll processing, employee benefits, and cloud-based HR platforms, began mailing breach notification letters to affected individuals in early 2026.
While the exact number of impacted individuals remains undetermined, the exposed data varies by case but may include names, Social Security numbers, financial details, and other confidential records. As part of its response, Idomeneo is offering affected parties 24 months of complimentary credit monitoring services.
The breach notice filed with Massachusetts authorities does not specify the nature of the security incident or how the data was accessed. Idomeneo is headquartered in West Hollywood, California, with additional offices in Chicago. Further details on the breach’s scope and timeline have not been disclosed.
Source: https://straussborrelli.com/2026/03/03/idomeneo-data-breach-investigation/
Idomeneo Enterprises, Inc. cybersecurity rating report: https://www.rankiteo.com/company/idomeneo-enterprises-inc.
"id": "IDO1772742950",
"linkid": "idomeneo-enterprises-inc.",
"type": "Breach",
"date": "1/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'industry': 'Human Resources',
'location': 'West Hollywood, California, USA; Chicago, '
'USA',
'name': 'Idomeneo Enterprises, Inc.',
'type': 'Human Resources Consulting Firm'}],
'customer_advisories': 'Breach notification letters mailed to affected '
'individuals in early 2026',
'data_breach': {'personally_identifiable_information': 'Yes',
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['Names',
'Social Security numbers',
'Financial details',
'Other confidential records']},
'description': 'Idomeneo Enterprises, Inc., a California-based human '
'resources consulting firm, reported a data breach that may '
'have compromised sensitive personal identifiable information '
'(PII). The breach notice was filed with the Massachusetts '
'Attorney General’s office, and affected individuals were '
'notified via mail in early 2026. The exposed data includes '
'names, Social Security numbers, financial details, and other '
'confidential records. The company is offering 24 months of '
'complimentary credit monitoring services to affected parties.',
'impact': {'data_compromised': 'Sensitive personal identifiable information '
'(PII), including names, Social Security '
'numbers, financial details, and other '
'confidential records',
'identity_theft_risk': 'High',
'payment_information_risk': 'High'},
'references': [{'source': 'Massachusetts Attorney General’s office'}],
'regulatory_compliance': {'regulatory_notifications': 'Filed with the '
'Massachusetts Attorney '
'General’s office'},
'response': {'communication_strategy': 'Breach notification letters mailed to '
'affected individuals',
'enhanced_monitoring': '24 months of complimentary credit '
'monitoring services offered to affected '
'parties'},
'title': 'Idomeneo Enterprises Data Breach Affecting Sensitive Personal '
'Information',
'type': 'Data Breach'}