HackingOtherCapture Stored DataData ExfiltratedCustomer Data InvolvedDelayed DiscoveryPIIIDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNTMediumContained
CHESAPEAKE BAY MARITIME MUSEUM, INC.
bd_17c0f72b06555476 · schema v1 · pii pii-v1
Full breach record for CHESAPEAKE BAY MARITIME MUSEUM, INC. →Chesapeake Bay Maritime Museum, Inc. (CBMM) experienced an unauthorized external system breach between August 8–9, 2024, in which an unauthorized actor gained access to CBMM IT systems and copied files containing personal information including names, Social Security numbers, and financial account information. The breach was discovered on January 12, 2025. CBMM notified 7 Maine residents on December 30, 2025. Credit monitoring (12 months, IDX) was offered to affected individuals.
Maine clockDiscovered Jan 12, 2025 → Filed with AG Jan 5, 2026358d ✗ ME AG >90d51 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 5 about the same incident.View merged incident
A leak claim by medusa about this victim predates this filing by 514 days.View originating leak claim
Linked disclosures
Why this link?Regulatory filings (4) · sorted by filing gap
- bd_ce8cea50b233d3d2Vermont State AGfiled 2026-01-05Verified
- bd_e9629af8d682f7a0New Hampshire State AGfiled 2026-01-05Verified
- bd_95889a4552aa6e8eIndiana State AGfiled 2025-12-30(6d gap)Candidate
- bd_bd6122882e707793Vermont State AGfiled 2025-12-30(6d gap)Verified
Source provenance
- Source URL
- https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/a189f7db-0abc-424b-97e9-308854d5decd.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jan 5, 2026
- Raw hash
- 12c53eb6ccd37886cb97734a158975bd7475ebb4482ae0a71227316394db1c85
Reporting entity
- Name
- CHESAPEAKE BAY MARITIME MUSEUM, INC.norm: chesapeake bay maritime museum
- Domain
- cbmm.org
- Industry
- Non-Profit / Museum
Victim entity
- Name
- CHESAPEAKE BAY MARITIME MUSEUM, INC.norm: chesapeake bay maritime museum
- Domain
- cbmm.org
- Industry
- Non-Profit / Museum
- Industry
- Otherllm
Incident
- Discovered
- Jan 12, 2025
- Materiality determined
- —
- Notification sent
- Dec 30, 2025
- Affected individuals
- 7
- Data types
- PIIIDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNT
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
- Threat actor
- External
- Regulator citations
- Notification filed with Maine Attorney GeneralNotified federal law enforcementNotification provided to relevant state regulators
Compliance
- Time to disclose
- 51 weeks(358 days from discovery to filing)
- Compliance flags
- ME AG >90d · 358dME resident >180d · 352dLeak >180d
- 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.
- Clock breakdown
Statute Window Elapsed Threshold Status Maine Discovered: Jan 12, 2025→ Filed with AG: Jan 5, 2026358d 90 days ME AG >90d Maine Discovered: Jan 12, 2025→ Notified: Dec 30, 2025352d 180 days ME resident >180d
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.