HackingStolen CredentialsCustomer Data InvolvedIDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNTMediumContained
MASSACHUSETTS MUNICIPAL WHOLESALE ELECTRIC CO.
bd_aeeed58579718a99 · schema v1 · pii pii-v1
Full breach record for MASSACHUSETTS MUNICIPAL WHOLESALE ELECTRIC CO. →Massachusetts Municipal Wholesale Electric Company (MMWEC) notified the NH AG of a data event affecting 3 NH residents. Unauthorized access occurred Jan 25–Feb 3, 2025. Data exposed: names, SSNs/TINs, financial account info. MMWEC discovered suspicious activity on Feb 2, 2025, engaged law enforcement, and offered 24 months of credit monitoring via Experian.
Leak gap clock⏱ Leak >90d24 weeks discovery → filing
This filing is one of 2 about the same incident.View merged incident
A leak claim by blacksuit about this victim predates this filing by 169 days.View originating leak claim
Linked disclosures
Why this link?Regulatory filings (1) · sorted by filing gap
- bd_9100a37d91cd6d4fMaine State AGfiled 2025-07-21Candidate
Source provenance
- Source URL
- https://mm.nh.gov/files/uploads/doj/remote-docs/massachusetts-municipal-wholesale-electric-20250721.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jul 21, 2025
- Raw hash
- b0451a46013b43f320821f22f615e19f21119678fc017b18b5d51f20662dc97a
Reporting entity
- Name
- MASSACHUSETTS MUNICIPAL WHOLESALE ELECTRIC CO.norm: massachusetts municipal wholesale electric
- Domain
- mmwec.org
Victim entity
- Name
- MASSACHUSETTS MUNICIPAL WHOLESALE ELECTRIC CO.norm: massachusetts municipal wholesale electric
- Domain
- mmwec.org
Incident
- Discovered
- Feb 2, 2025
- Materiality determined
- Jun 10, 2025
- Notification sent
- Jul 21, 2025
- Affected individuals
- 3
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNT
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid Accounts
- Threat actor
- External
- Regulator citations
- Notified federal law enforcementProviding written notice to relevant state regulators
- Initial access
- valid_credentials
Compliance
- Time to disclose
- 24 weeks(169 days from discovery to filing)
- Compliance flags
- Leak >90d
- Discovery-date grounding
- letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.