Where does the Chiesi USA Inc. case file come from?

Every entry is taken from the breach report Chiesi USA Inc. lodged with the New Hampshire Attorney General. Nothing here is estimated.

Why do the incident date and the report date differ?

Companies usually investigate before they report. The gap between the two dates shows how long that took.

What does the records-affected figure count?

It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.

Does this case file change over time?

Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Case file

Case File: Chiesi USA Inc. Data Breach

This file collects the dated facts on record for the Chiesi USA Inc. incident. The state report is dated December 22, 2025.

Timeline

December 22, 2025Report filed in New HampshireDate the notice was lodged with the New Hampshire Attorney General.

Case facts

Filing state: New Hampshire
Date reported: December 22, 2025
Receiving office: New Hampshire Attorney General

Case notes

Chiesi USA Inc. formally reported a data security incident to New Hampshire regulators on December 22, 2025. The company's filing indicates that a breach of its systems occurred, which may have led to the unauthorized access or disclosure of personal information.

While the specific nature of the incident, including the breach date and the exact types of data involved, has not been detailed in the public filing, Chiesi USA Inc. stated it is actively investigating the matter. This investigation aims to ascertain the full extent of the compromise and identify the individuals whose information may have been affected.

Since the precise categories of exposed data are not specified, individuals potentially impacted should exercise general vigilance. It is advisable to carefully review any communications purportedly from Chiesi USA Inc. for legitimacy and to monitor your personal accounts for any unusual or suspicious activity.

Consider obtaining a copy of your credit report from the three major bureaus (Equifax, Experian, TransUnion) and reviewing it for any unauthorized accounts or inquiries. Activating fraud alerts or credit freezes can also provide an additional layer of protection against identity theft.

These details are based on the official data breach notification submitted to New Hampshire authorities, serving as a public record of the incident.

Questions about this case file

Where does the Chiesi USA Inc. case file come from?: Every entry is taken from the breach report Chiesi USA Inc. lodged with the New Hampshire Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?: Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?: It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?: Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

New Hampshire data breaches

Filing source: New Hampshire Attorney General

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Timeline

Case facts

Case notes

Questions about this case file

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