Cornerstone Care Center
bd_c4d7b6cdaf74cc3d · schema v1 · pii pii-v1
Full breach record for Cornerstone Care Center →Sanger Skilled Care, LLC dba Cornerstone Care Center notified the California Attorney General of an incident where unauthorized activity involving one user account was detected on April 7, 2026. The organization contained the incident and engaged a forensic firm. Investigation determined that Protected Health Information (PHI) may have been accessed by an unauthorized third party. No evidence of misuse was found. Affected individuals were offered 12 months of complimentary credit monitoring.
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Incident timeline
Apr 7, 2026
Begins
Apr 7, 2026
Discovered
May 7, 2026
Filed
vs. sector median
8 wks faster
Linked disclosures
Why this link?Regulatory filings (1) · sorted by filing gap
- HHS OCRbd_90350c37e7da9de02026-05-07Verified
Filing propagation · 2 filings
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Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.