All Breaches
May 8, 2024 Verified Sensitive Record Healthcare

Ciox / Datavant 2024 Data Breach

The 2024 Ciox Health / Datavant data breach followed a phishing response that enabled unauthorized access to one corporate email account between May 8 and May 9, 2024. The U.S.

320.7 Thousand
Affected People
10
Data Types
High
Severity
Yes
Verification

Exposed Data Types

10
Names
Dates of birth
Physical addresses
Contact information
Social security numbers
Financial account information
Driver's license numbers
Passport numbers
Health information
Digital signatures

Additional Information

Added DateAugust 3, 2026
Breach DateMay 8, 2024
Domaindatavant.com
SourceHHS OCR, court-authorized settlement notice, and independent healthcare breach reporting
Last Content UpdateAugust 3, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Company Information

Company NameCiox Health, LLC d/b/a Datavant Group
SectorHealthcare
CountryUnited States
Websitewww.datavant.com

Risk Level

High

The reported impact exceeds 100 thousand and falls within the high severity band.

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