Cornick, Garber & Sandler LLP Discloses Data Breach Affecting 1,570 Individuals
Cornick, Garber & Sandler LLP, a New York-based certified public accounting firm, recently reported a data breach impacting approximately 1,570 individuals across the U.S., including three residents of Maine. The incident exposed sensitive personally identifiable information (PII) and protected health information (PHI), including Social Security numbers, dates of birth, driver’s license or state ID numbers, taxpayer identification numbers, health insurance details, and financial account numbers.
The firm publicly disclosed the breach via a notice on its website and filed a report with the Maine Attorney General’s office. In response, Cornick, Garber & Sandler has set up a dedicated toll-free helpline (844-403-4528) for affected individuals, available Monday through Friday during Eastern Time business hours. The company is also offering credit monitoring services to those impacted.
Additionally, the firm’s notice provided instructions for placing security freezes with the three major credit bureaus Equifax, Experian, and TransUnion to help mitigate potential fraud risks. The full scope of the breach’s impact and any ongoing investigations remain undisclosed.
Source: https://www.claimdepot.com/data-breach/voxx-international-corporation-2026
Cornick, Garber & Sandler LLP TPRM report: https://www.rankiteo.com/company/cornick-garber-&-sandler-llp
"id": "cor1778870157",
"linkid": "cornick-garber-&-sandler-llp",
"type": "Breach",
"date": "5/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'customers_affected': '1,570',
'industry': 'Accounting',
'location': 'New York, USA',
'name': 'Cornick, Garber & Sandler LLP',
'type': 'Certified Public Accounting Firm'}],
'customer_advisories': 'Dedicated toll-free helpline (844-403-4528) for '
'affected individuals, instructions for security '
'freezes with credit bureaus',
'data_breach': {'number_of_records_exposed': '1,570',
'personally_identifiable_information': ['Social Security '
'numbers',
'Dates of birth',
'Driver’s license or '
'state ID numbers',
'Taxpayer '
'identification '
'numbers',
'Health insurance '
'details',
'Financial account '
'numbers'],
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['Personally identifiable '
'information (PII)',
'Protected health information '
'(PHI)']},
'description': 'Cornick, Garber & Sandler LLP, a New York-based certified '
'public accounting firm, reported a data breach impacting '
'approximately 1,570 individuals across the U.S., including '
'three residents of Maine. The incident exposed sensitive '
'personally identifiable information (PII) and protected '
'health information (PHI), including Social Security numbers, '
'dates of birth, driver’s license or state ID numbers, '
'taxpayer identification numbers, health insurance details, '
'and financial account numbers.',
'impact': {'data_compromised': 'Personally identifiable information (PII) and '
'protected health information (PHI)',
'identity_theft_risk': 'High',
'payment_information_risk': 'High'},
'references': [{'source': 'Cornick, Garber & Sandler LLP Website'},
{'source': 'Maine Attorney General’s office'}],
'regulatory_compliance': {'regulatory_notifications': ['Maine Attorney '
'General’s office']},
'response': {'communication_strategy': 'Notice on company website, filing '
'with Maine Attorney General’s office, '
'dedicated toll-free helpline',
'remediation_measures': 'Credit monitoring services offered, '
'instructions for security freezes with '
'credit bureaus provided'},
'title': 'Cornick, Garber & Sandler LLP Data Breach',
'type': 'Data Breach'}