Chiesi USA Inc. Reports Data Breach to New Hampshire AG
Chiesi USA Inc., a pharmaceutical company, reported a data breach to the New Hampshire Attorney General on December 22, 2025. The incident involved unauthorized access to protected information, prompting individuals who received notifications to review them carefully.
- State
- New Hampshire
- Reported
- December 22, 2025
Chiesi USA Inc., a pharmaceutical firm specializing in rare diseases and respiratory conditions, confirmed it experienced a data breach. The company filed an official report with the New Hampshire Attorney General's office on December 22, 2025, indicating that unauthorized access to protected information occurred.
The public filing does not specify the precise types of personal information involved in this incident. However, due to its nature as a healthcare-related entity, Chiesi USA Inc. typically handles sensitive personal information relevant to patient support programs and other operations.
If you received a data breach notification letter from Chiesi USA Inc., it signifies that your personal information was likely compromised. It is critical to carefully read this letter to understand the specific scope of the exposure and any identity monitoring services or other support the company may be offering.
As a general precaution, individuals affected by data breaches should remain vigilant for unusual activity across their online accounts. Regularly review financial statements and credit reports for any unauthorized transactions or suspicious inquiries. Consider placing a fraud alert or freezing your credit with the major credit bureaus for added security.
This filing serves as public confirmation of the data breach reported by Chiesi USA Inc. and provides a factual record for individuals seeking information about the incident.
What to do if you were affected
These general steps can help limit the risk of identity theft and fraud after any data breach.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
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