The Town of Chester
ent_3846411645dbc6a4e5e4728f
Disclosures
5
State AG · 5 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
1,224
nationwide · State AG ME
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- The Town of Chester
- Normalized
- the town of chester— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (5)newest first
- Massachusetts State AGas victim2025-09-05
The Town of Chester reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-09-05. 1,061 Massachusetts residents were affected.
- Maine State AGas victim2025-09-05
The Town of Chester (MA) reported an external system breach (hacking) occurring between April 9 and April 29, 2025, discovered on August 11, 2025. Approximately 1,224 individuals were affected, including 4 Maine residents. Compromised data included names, SSNs, driver's licenses, financial account numbers, and PHI. The Town engaged forensic specialists and legal counsel, and provided 24 months of credit monitoring to affected individuals. Notification was sent on September 5, 2025.
- Vermont State AGas victim2025-09-05
The Town of Chester notified consumers of a data breach occurring between April 9 and April 29, 2025. Unauthorized access to the Town's email environment resulted in the viewing and copying of personal information, including names, SSNs, driver's license numbers, financial account details, and PHI. The Town retained forensic specialists and legal counsel, and is offering 24 months of free credit monitoring to affected individuals.
- New Hampshire State AGas victim2025-09-05
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.
- Illinois State AGas victim2025-09-01
THE TOWN OF CHESTER filed a data-breach notice with the Illinois Attorney General in September 2025 (case 25-09-415). The register records the breach as discovered on August 11, 2025. Personal information types reported: drivers license, financial account number, ssn. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.