Key facts pulled from the official settlement site; not yet independently field-verified — confirm details on the official site.
Datavant Ciox Health Data Breach Settlement
Healthcare data platform Datavant (Ciox Health) settles $900,000 class action over May 2024 phishing attack exposing personal information for up to 58,309 people.
Up to $5,000 for documented losses; alternative pro-rata cash payment available without proof. Total settlement fund: $900,000 for approximately 58,309 class members.
Who may qualify
You're eligible if Datavant notified you that your personal information may have been compromised in the May 8-9, 2024 phishing attack that gave unauthorized access to an employee email account, or if your data may have been affected by the breach.
You are eligible if you were notified that your personal information may have been compromised in the data security incident affecting Datavant (phishing attack May 8-9, 2024) and/or your personal information may have been affected by the breach.
This summary is based on available official settlement sources. The settlement administrator determines eligibility and payment approval.
Important dates
- Claim deadline
- August 18, 2026
- Exclusion deadline
- July 20, 2026
- Objection deadline
- July 20, 2026
Proof requirements
Proof requirement is currently marked as Optional.
Review the official claim form before submitting any information.
What you need
Submit claim form by August 18, 2026. Choose: documented loss claims up to $5,000 with receipts, or pro-rata payment without proof. At least one form of verification recommended.
How do I file a claim for this settlement?
File directly with Kroll Settlement Administration LLC via the official claim form before August 18, 2026.
- Confirm you are within the eligible group described in the official notice — the settlement administrator determines eligibility.
- Gather any documents the official form asks for — this settlement marks proof as Optional.
- Open the official claim form or settlement website run by Kroll Settlement Administration LLC.
- Submit accurate information through the official settlement administrator or government source before August 18, 2026.
- Save your confirmation number if one is provided, then watch the payment status for distribution updates.
New to settlement claims? How to file safely →
Worried it might be fake? Run the 60-second legitimacy check →
How we verified this record
- Claim deadline queued for re-check
- Payout details queued for re-check
- Eligibility queued for re-check
- Proof requirement queued for re-check
- Administrator queued for re-check
- Official claim link queued for re-check
- Court case queued for re-check
- Payment status queued for re-check
Every published record clears our source-verification bar; remaining fields are checked one by one on our weekly re-verification pass.
Checked fields are matched against a named official source and re-checked on a schedule. We show the authority and the date, never our internal evidence link.
Common questions
Who may qualify for this settlement?
You are eligible if you were notified that your personal information may have been compromised in the data security incident affecting Datavant (phishing attack May 8-9, 2024) and/or your personal information may have been affected by the breach.
What is the claim deadline?
The claim deadline is August 18, 2026. Confirm the current deadline on the official settlement source before filing.
Do I need proof to claim?
Proof requirement: Optional. The settlement administrator determines what documentation, if any, is required.
What is the current payment status?
Current payment status: Unknown. Payments are issued by the administrator after the court process concludes.
When will Datavant Ciox Health Data Breach Settlement pay out?
Current payment status: Unknown. Class-action payouts typically begin only after final approval and any appeals. See our payout timeline guide.
Where is the official Datavant Ciox Health Data Breach Settlement claim form?
The official claim form is hosted by the settlement administrator, Kroll Settlement Administration LLC. Use the 'Open official claim form' button on this page — never pay a fee to file.
What is the settlement about?
Datavant (Ciox Health) agreed to pay $900,000 to settle a class action lawsuit over a phishing attack on May 8-9, 2024, that gave an unauthorized person access to an employee email account containing personal information of approximately 58,309 people.
Who is eligible to claim?
You're eligible if Datavant notified you that your personal information may have been compromised in the data security incident and/or your data may have been affected by the breach.
How much can I receive?
You can claim up to $5,000 for documented losses (with receipts) from the breach, or choose a pro-rata payment from remaining settlement funds without needing proof. The average payout depends on how many claims are filed and what you claim.
What's the deadline to claim?
You must submit your claim form by August 18, 2026. You can file online at DatavantDataIncidentSettlement.com or mail a paper form postmarked by that date to Kroll Settlement Administration, PO Box 5324, New York, NY 10150-5324.
Do I need receipts or proof?
Proof is optional. If you claim up to $5,000 for documented losses, you'll need receipts or bank statements. If you prefer, you can file without proof and receive an alternative pro-rata cash payment instead.
Where to act
When you are ready, you open the official claim form yourself. SettleSignal does not file claims or determine eligibility.
Use the official settlement administrator or government source.
Listed on the official settlement website (Kroll Settlement Administration LLC).
Disclaimer
This service summarizes publicly available settlement information and links to official settlement sources. We are not a law firm, do not provide legal advice, do not submit claims on your behalf, and do not determine eligibility or payout approval. Only file a claim if the information you provide is accurate.
Change log
- June 9, 2026 — Settlement published after verification.