**Chiesi USA Reports Data Breach Affecting 262 Massachusetts Residents**
Chiesi USA, Inc., a specialty pharmaceutical company based in Cary, North Carolina, recently disclosed a data breach exposing sensitive personal and medical information of at least 262 Massachusetts residents. The incident, reported to the Massachusetts Attorney General’s office on December 22, 2025, involved unauthorized access to the company’s systems, compromising data including names, Social Security numbers, driver’s license details, financial account information, and medical records.
While the exact method of the breach remains undisclosed, Chiesi USA has taken steps to mitigate the impact. The company partnered with cybersecurity experts to investigate the incident, secure its systems, and implement additional safeguards to prevent future breaches. Affected individuals are being notified by mail and offered 24 months of complimentary credit monitoring and identity restoration services through Experian.
Chiesi USA has also established a dedicated call center (833-918-4088) for impacted individuals seeking further information. The breach underscores the ongoing risks to healthcare-related data and the need for robust cybersecurity measures in the pharmaceutical sector.
Source: https://www.claimdepot.com/data-breach/chiesi-usa-2025
Chiesi USA, Inc. TPRM report: https://www.rankiteo.com/company/chiesi-usa
"id": "chi1766442033",
"linkid": "chiesi-usa",
"type": "Breach",
"date": "12/2025",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'customers_affected': '262 Massachusetts residents',
'industry': 'Healthcare/Pharmaceutical',
'location': 'Cary, North Carolina, USA',
'name': 'Chiesi USA, Inc.',
'type': 'Pharmaceutical Company'}],
'customer_advisories': 'Notified impacted individuals by mail; offered 24 '
'months of complimentary credit monitoring and '
'identity restoration services through Experian',
'data_breach': {'number_of_records_exposed': '262',
'personally_identifiable_information': ['First and last names',
'Social Security '
'numbers',
'Driver’s license '
'details',
'Financial account '
'information',
'Medical records'],
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['Personally identifiable '
'information (PII)',
'Protected health information '
'(PHI)']},
'date_publicly_disclosed': '2025-12-22',
'description': 'Chiesi USA, Inc. reported a significant data breach exposing '
'both personally identifiable information (PII) and protected '
'health information (PHI) of at least 262 Massachusetts '
'residents. The breach involved unauthorized access to its '
'systems, compromising sensitive personal and medical '
'information.',
'impact': {'data_compromised': 'Personally identifiable information (PII) and '
'protected health information (PHI)',
'identity_theft_risk': 'High',
'payment_information_risk': 'High'},
'investigation_status': 'Ongoing',
'recommendations': ['Sign up for free Experian identity theft protection '
'services',
'Monitor credit reports and financial accounts for '
'unusual activity',
'Be alert for phishing emails or phone calls',
'Consider placing a fraud alert or credit freeze with '
'major credit bureaus'],
'references': [{'source': 'Massachusetts Attorney General’s office'}],
'regulatory_compliance': {'regulatory_notifications': ['Massachusetts '
'Attorney General’s '
'office']},
'response': {'communication_strategy': 'Notified impacted individuals by '
'mail; set up a call center',
'containment_measures': 'Secured systems',
'remediation_measures': 'Implemented additional technical '
'safeguards',
'third_party_assistance': 'Cybersecurity experts'},
'title': 'Chiesi USA Data Breach',
'type': 'Data Breach'}