HackingCustomer Data InvolvedIDENTITY_BASICIDENTITY_GOVERNMENTMediumContained
Cornerstone Healthcare Group Management Services LLC
bd_9098338e61d3b15b · schema v1 · pii pii-v1
Full breach record for Cornerstone Healthcare Group Management Services LLC →Cornerstone Healthcare Group Management Services LLC experienced a data breach on December 19, 2023, involving unauthorized access to personal information of patients at supported healthcare facilities. Data potentially included names and government identifiers. The company engaged law enforcement and cybersecurity firms, and is offering credit monitoring services.
Vermont clock✗ VT AG >45 bday28 weeks discovery → filing
⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
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_200de4f01295e185Montana State AGfiled 2024-07-01Candidate
- bd_097148949845f28dNew Hampshire State AGfiled 2024-07-08(7d gap)Verified
Source provenance
- Source URL
- https://ago.vermont.gov/document/2024-07-01-cornerstone-healthcare-group-management-services-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jul 1, 2024
- Raw hash
- 8d88914a109acd009fcb140c65aca4cd6201075b402e209e6394ee38c68b62d6
Reporting entity
- Name
- Cornerstone Healthcare Group Management Services LLCnorm: cornerstone healthcare group management
Victim entity
- Name
- Cornerstone Healthcare Group Management Services LLCnorm: cornerstone healthcare group management
Incident
- Discovered
- Dec 19, 2023
- Materiality determined
- —
- Notification sent
- Jul 1, 2024
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENT
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid Accounts
- Threat actor
- External
- Regulator citations
- Notified Vermont Attorney General
Compliance
- Time to disclose
- 28 weeks(195 days from discovery to filing)
- Compliance flags
- VT AG >45 bday
- Discovery-date grounding
- occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.