HackingVulnerability ExploitZero-DayData ExfiltratedSupply Chain (3P Vendor)IDENTITY_BASICIDENTITY_GOVERNMENTMediumContained
UNITEDHEALTHCARE INSURANCE COMPANY
bd_aef3b212d1539ec8 · schema v1 · pii pii-v1
Full breach record for UNITEDHEALTHCARE INSURANCE COMPANY →Welltok, Inc. notified UnitedHealthcare members in Delaware of a data breach involving the exploitation of a zero-day vulnerability in Progress Software's MOVEit Transfer tool. The incident occurred between May 30-31, 2023, resulting in the exfiltration of member data including names, addresses, Member IDs, DOBs, and Medicaid IDs. Welltok engaged third-party forensic specialists and is offering 24 months of credit monitoring via Experian.
Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident
Source provenance
- Source URL
- https://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2024/01/Welltok-December-22-2023.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Dec 22, 2023
- Raw hash
- a0fba25cfe09f0fec3bd9a4f4b1d33643ee0cd45bc57f32a6a285bc76d93d149
Reporting entity
- Name
- Welltoknorm: welltok
- Domain
- welltok.com
Victim entity
- Name
- UNITEDHEALTHCARE INSURANCE COMPANYnorm: unitedhealthcare insurance
- Domain
- uhc.com
Incident
- Discovered
- Jul 26, 2023
- Materiality determined
- —
- Notification sent
- Dec 22, 2023
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENT
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
- Threat actor
- ExternalFinancial
- Initial access
- exploit_public_facing
Compliance
- Time to disclose
- 21 weeks(149 days from discovery to filing)
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.