HackingStolen CredentialsSupply Chain (3P Vendor)Business Associate (HIPAA)Customer Data InvolvedDelayed DiscoveryPHIIDENTITY_BASICIDENTITY_GOVERNMENTHEALTH_BASICMediumContained
One Community Health
bd_1fdb110cd32f7840 · schema v1 · pii pii-v1
Full breach record for One Community Health →One Community Health notified patients of a security incident involving its third-party clearinghouse, TriZetto Provider Solutions. An unauthorized individual accessed historical eligibility transaction reports containing PHI (including SSNs and health insurance info) between November 2024 and October 2, 2025. TriZetto discovered the activity on October 2, 2025, engaged Mandiant, and contained the threat. No payment card data was involved. Credit monitoring is being offered.
California clockDiscovered Oct 2, 2025 → Notified Dec 23, 202582d ✗ CA 60-day late14 weeks discovery → filing
This filing is one of 2 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (1) · sorted by filing gap
- bd_7d4507ef99b76905HHS OCRfiled 2026-01-02(6d gap)Candidate
Source provenance
- Source URL
- https://oag.ca.gov/ecrime/databreach/reports/sb24-616701
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jan 8, 2026
- Raw hash
- 8673a4b145c184b25edac40f709c3570542fb63ca6e7f379c6c94bcdf7c2b6cb
Reporting entity
- Name
- One Community Healthnorm: one community health
Victim entity
- Name
- One Community Healthnorm: one community health
Incident
- Discovered
- Oct 2, 2025
- Materiality determined
- —
- Notification sent
- Dec 23, 2025
- Affected individuals
- Not disclosed
- Data types
- PHIIDENTITY_BASICIDENTITY_GOVERNMENTHEALTH_BASIC
- Attack vector
- Third-Party / Supply Chain
- MITRE ATT&CK
- T1078 Valid Accounts
- Threat actor
- External
- Third party
- via TriZetto Provider Solutions
- Initial access
- trusted_relationship
Compliance
- Time to disclose
- 14 weeks(98 days from discovery to filing)
- Compliance flags
- CA 60-day late · 82d
- Discovery-date grounding
- letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
- Clock breakdown
Statute Window Elapsed Threshold Status California Discovered: Oct 2, 2025→ Notified: Dec 23, 202582d 60 days (analyst band, pre-2026 discoveries) CA 60-day late
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.