Cornerstone Healthcare Group Management Services LLC
ent_c6b2d8fe4d598c59faf91072
Disclosures
8
State AG · HHS OCR · 5 jurisdictions
Incidents
2
filings grouped by incident
Max affected reported
484,957
nationwide · HHS OCR KY
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Cornerstone Healthcare Group Management Services LLC
- Normalized
- cornerstone healthcare group management— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (8)newest first
- ⛰️New Hampshire State AGas victim2024-11-06
State AG filing for Cornerstone Healthcare Group Management Services LLC in New Hampshire. The source attachment is empty; no breach details, dates, or data types are extractable from the provided document.
- ⛰️New Hampshire State AGas victim2024-11-04
Cornerstone Healthcare Group Management Services LLC reported a supplemental data breach affecting 24 New Hampshire residents. The breach occurred on December 19, 2023, following suspicious network activity detected in mid-December 2023. Personal information was compromised. The company engaged cybersecurity firms and law enforcement, and offered credit monitoring services.
- 🐻California State AGas victim2024-11-02
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.
- 🍁Vermont State AGas victim2024-11-01
Cornerstone Healthcare Group Management Services LLC disclosed a data breach occurring on December 19, 2023, involving unauthorized access to personal information of patients at supported healthcare facilities. The company engaged cybersecurity firms and law enforcement, and is offering credit monitoring services.
- ⛰️New Hampshire State AGas victim2024-07-08
State AG filing for Cornerstone Healthcare Group Management Services LLC in New Hampshire. The source attachment contains only structural placeholders with no narrative text, dates, or incident details.
- 🦬Montana State AGas victim2024-07-01
Cornerstone Healthcare Group Management Services LLC reported a data breach to the Montana Attorney General. The breach was reported on 2024-07-01. The breach occurred on 12/19/2023. 7 Montana residents were affected.
- 🍁Vermont State AGas victim2024-07-01
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.
- KYHHS OCRas victim2024-03-14
Cornerstone Healthcare Group Management Services LLC reported to HHS on 2024-03-14 a Hacking/IT Incident affecting 484,957 individuals. Breached information located on Network Server. The incident involved the compromise of PHI including names, addresses, DOB, SSN, driver's license, financial, and clinical data. The BA strengthened technical safeguards and received OCR technical assistance.