AccidentalLossCustomer Data InvolvedData ExfiltratedIDENTITY_BASICIDENTITY_GOVERNMENTHEALTH_BASICMediumActive
River Arch Dental/Hamner Square Dental
bd_f72bca9a8adee059 · schema v1 · pii pii-v1
Full breach record for River Arch Dental/Hamner Square Dental →River Arch Dental and Hamner Square Dental reported a data breach involving the loss of an unencrypted USB drive containing patient data (SSNs, DLs, PHI) during a software migration. The drive was lost in the mail by business partner Patterson Dental on May 14, 2012. Notification letters were sent to patients on July 16, 2012.
California clockDiscovered May 18, 2012 → Notified Jul 16, 201259d ✓ CA 60-day OK9 weeks discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
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_1b8fcf5da8011218California State AGfiled 2012-07-17Candidate
Source provenance
- Source URL
- https://oag.ca.gov/ecrime/databreach/reports/sb24-32281
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jul 17, 2012
- Raw hash
- d00018985ecc6b1058dd987213fd49272c6dc8fecfc461b3ecd6a9fe66d6fb1a
Reporting entity
- Name
- River Arch Dental/Hamner Square Dentalnorm: river arch dental hamner square dental
Victim entity
- Name
- River Arch Dental/Hamner Square Dentalnorm: river arch dental hamner square dental
Incident
- Discovered
- May 18, 2012
- Materiality determined
- —
- Notification sent
- Jul 16, 2012
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENTHEALTH_BASIC
- Attack vector
- Third-Party / Supply Chain
- MITRE ATT&CK
- T1052 Exfiltration Over Physical Medium
- Third party
- via Patterson Dental
Compliance
- Time to disclose
- 9 weeks(60 days from discovery to filing)
- Compliance flags
- CA 60-day OK · 59d
- Discovery-date grounding
- unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
- Clock breakdown
Statute Window Elapsed Threshold Status California Discovered: May 18, 2012→ Notified: Jul 16, 201259d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.