HackingCustomer Data InvolvedData ExfiltratedIDENTITY_GOVERNMENTIDENTITY_BASICHighContained
21c Museum Hotels
bd_c465f8ab9bb6e5d7 · schema v1 · pii pii-v1
Full breach record for 21c Museum Hotels →21c Museum Hotels LLC reported an external system breach (hacking) occurring between February 25, 2021, and March 17, 2021, discovered on May 4, 2021. The incident compromised names and Social Security Numbers of 2,333 individuals, including one Maine resident. The company provided written notification on June 2, 2021, and offered 24 months of credit monitoring and identity theft restoration services through Kroll.
Maine clockDiscovered May 4, 2021 → Filed with AG Jun 2, 202129d ✓ ME AG ≤30d29 days 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.
Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2,333 affectedView incident
Source provenance
- Source URL
- https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/23ed181b-ab3c-49f7-b7fc-efda9ebc2f04.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jun 2, 2021
- Raw hash
- 75bff621892e85cecbfd32fc78855c90975061251747a0321bcd19449a640b13
Reporting entity
- Name
- 21c Museum Hotelsnorm: 21c museum hotels
- Domain
- 21cmuseumhotels.com
Victim entity
- Name
- 21c Museum Hotelsnorm: 21c museum hotels
- Domain
- 21cmuseumhotels.com
Incident
- Discovered
- May 4, 2021
- Materiality determined
- —
- Notification sent
- Jun 2, 2021
- Affected individuals
- 2,333
- Data types
- IDENTITY_GOVERNMENTIDENTITY_BASIC
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1190 Exploit Public-Facing Application
- Threat actor
- ExternalFinancial
- Regulator citations
- Filed data breach notice with Maine Office of the Attorney General
- Initial access
- exploit_public_facing
Compliance
- Time to disclose
- 29 days(29 days from discovery to filing)
- Compliance flags
- ME AG ≤30d · 29d
- 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: May 4, 2021→ Filed with AG: Jun 2, 202129d 30 days ME AG ≤30d
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.