UnknownCustomer Data InvolvedPIIIDENTITY_BASICLowContained
Cornerstone Healthcare Group Management Services LLC
bd_88a92967dc0456b4 · 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 certain supported healthcare facilities. The company detected suspicious network activity in mid-December 2023 and confirmed the breach. Personal information was determined to be impacted on May 30, 2024. The company contained the issue, contacted law enforcement, engaged cybersecurity firms, and is offering identity monitoring services.
This filing is one of 4 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (3) · sorted by filing gap
- bd_28201747796ff006Vermont State AGfiled 2024-11-01(1d gap)Verified
- bd_3ea79518fc5ab9adNew Hampshire State AGfiled 2024-11-04(2d gap)Verified
- bd_5291e3d7b8c066a0New Hampshire State AGfiled 2024-11-06(4d gap)Verified
Source provenance
- Source URL
- https://oag.ca.gov/ecrime/databreach/reports/sb24-594295
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Nov 2, 2024
- Raw hash
- 06d8cd9b59a6310c2eb293a05d2058f21828a71693b8e9964d054cbffc328cbd
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
- —
- Affected individuals
- Not disclosed
- Data types
- PIIIDENTITY_BASIC
- Attack vector
- Unknown
- Regulator citations
- Contacted law enforcement
Compliance
- Time to disclose
- 46 weeks(319 days from discovery to filing)
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.