HackingVulnerability ExploitData ExfiltratedCustomer Data InvolvedPHIHEALTH_BASICIDENTITY_BASICLowContained
Welltok
bd_d2c5cdddd25b96d9 · schema v1 · pii pii-v1
Full breach record for Welltok →Welltok, Inc. disclosed that an unknown actor exploited software vulnerabilities in its MOVEit Transfer server on May 30, 2023, exfiltrating data including names, treatment information, diagnoses, provider names, patient IDs, and health insurance information. The incident was discovered on July 26, 2023. Welltok engaged third-party cybersecurity specialists and is offering 12 months of credit monitoring to affected individuals.
California clockDiscovered Jul 26, 2023 → Notified Feb 21, 2024210d ✗ CA 60-day late31 weeks discovery → filing
Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident
Source provenance
- Source URL
- https://oag.ca.gov/ecrime/databreach/reports/sb24-581671
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Feb 28, 2024
- Raw hash
- 430e5bc61624384437a38dab9edd31b02e95749656c4d8adb97e0ef3d410dd99
Reporting entity
- Name
- Welltoknorm: welltok
- Domain
- welltok.com
Victim entity
- Name
- Welltoknorm: welltok
- Domain
- welltok.com
Incident
- Discovered
- Jul 26, 2023
- Materiality determined
- —
- Notification sent
- Feb 21, 2024
- Affected individuals
- Not disclosed
- Data types
- PHIHEALTH_BASICIDENTITY_BASIC
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
- Threat actor
- External
- Initial access
- exploit_public_facing
Compliance
- Time to disclose
- 31 weeks(217 days from discovery to filing)
- Compliance flags
- CA 60-day late · 210d
- 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: Jul 26, 2023→ Notified: Feb 21, 2024210d 60 days (analyst band, pre-2026 discoveries) CA 60-day late
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.