HackingCustomer Data InvolvedIDENTITY_BASICPIILowContained
Chiesi USA, Inc.
bd_e7cc2b535ec68130 · schema v1 · pii pii-v1
Full breach record for Chiesi USA, Inc. →Chiesi USA, Inc. notified Vermont AG of a data breach affecting customer personal information (name plus [Extra1]) due to unauthorized access of internal IT infrastructure. Incident discovered August 28, 2025; investigation complete. Chiesi provided 24 months of credit monitoring via Experian.
Vermont clock✗ VT AG >45 bday17 weeks discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
This filing is one of 3 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- bd_10b714aa1a2aa745New Hampshire State AGfiled 2025-12-22Verified
- bd_30e0baca8a783e6aMaine State AGfiled 2025-12-22Candidate
Source provenance
- Source URL
- https://ago.vermont.gov/document/2025-12-22-chiesi-usa-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Dec 22, 2025
- Raw hash
- d04ac88b643db0a5b06807cb81e36f4fe427bb92605501b728071089458e467d
Reporting entity
- Name
- Chiesi USA, Inc.norm: chiesi usa
Victim entity
- Name
- Chiesi USA, Inc.norm: chiesi usa
Incident
- Discovered
- Aug 28, 2025
- Materiality determined
- —
- Notification sent
- Dec 22, 2025
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASICPII
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1190 Exploit Public-Facing Application
- Threat actor
- External
- Initial access
- exploit_public_facing
Compliance
- Time to disclose
- 17 weeks(116 days from discovery to filing)
- Compliance flags
- VT AG >45 bday
- Discovery-date grounding
- unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.