HackingStolen CredentialsData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNTPHIHEALTH_BASICMediumContained
The Town of Chester
bd_69809c87beb5fa42 · schema v1 · pii pii-v1
Full breach record for The Town of Chester →The Town of Chester, Massachusetts, notified the New Hampshire Attorney General of a data event involving unauthorized access to its email environment. The incident occurred between April 9 and April 29, 2025, and was discovered on April 28, 2025. The breach compromised names, Social Security numbers, driver's license numbers, financial account numbers, and personal health information. Five New Hampshire residents were affected. The Town engaged forensic specialists, retained legal counsel, and offered 24 months of credit monitoring.
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_3855e06eac1d88beMaine State AGfiled 2025-09-05Candidate
- bd_5d80778b97c5b51eVermont State AGfiled 2025-09-05Verified
Source provenance
- Source URL
- https://mm.nh.gov/files/uploads/doj/remote-docs/town-chester-massachusetts-20250905.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Sep 5, 2025
- Raw hash
- 9b97c8b51a8b7f39cfb9c804c18f3ca476261bac0fb5c2e4f6013deca1068f85
Reporting entity
- Name
- The Town of Chesternorm: the town of chester
Victim entity
- Name
- The Town of Chesternorm: the town of chester
Incident
- Discovered
- Apr 28, 2025
- Materiality determined
- —
- Notification sent
- Sep 5, 2025
- Affected individuals
- 5
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNTPHIHEALTH_BASIC
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1114 Email CollectionT1078 Valid Accounts
- Threat actor
- External
- Regulator citations
- Notified New Hampshire Attorney General's Consumer Protection Bureau
- Initial access
- valid_credentials
Compliance
- Time to disclose
- 19 weeks(130 days from discovery to filing)
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.