1Life Healthcare, Inc.
ent_9a182eaa0270c3968f3e321c
Disclosures
2
State AG · 2 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
141,075
nationwide · State AG TX
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- 1Life Healthcare, Inc.
- Normalized
- 1life healthcare— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (2)newest first
- Illinois State AGas victim2026-08-01
1LIFE HEALTHCARE, INC. filed a data-breach notice with the Illinois Attorney General in August 2026 (case 26-08-1368). The register records the breach as discovered on June 17, 2026. Personal information types reported: medical information, ssn. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.
- Texas State AGas victim2026-07-07
1Life Healthcare, Inc. based in San Francisco, California, a healthcare – medical provider entity reported a data breach to the Texas Attorney General. The breach was discovered on 2026-06-17 and reported on 2026-07-07. 10,041 Texas residents were affected. 141,075 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Health Insurance Information;Date of Birth. Consumers were notified via U.S. Mail.
Subsidiary disclosures (2)filed by group companies
◈ These filings were made by or about subsidiaries of 1Life Healthcare, Inc. — not by 1Life Healthcare, Inc. itself. Corporate relationships are mapped from GLEIF relationship records and SEC Exhibit 21 filings.
- Massachusetts State AGvia One Medical Seniors2026-07-06
One Medical Seniors (a subsidiary of 1Life Healthcare) notified Massachusetts residents of a security event involving a third-party file-storage system used for archived One Medical Seniors (formerly Iora Health) patient data. Between June 8-11, 2026, an unauthorized person accessed patient files containing PHI (treatment plans, diagnostics, prescriptions) and PII (contact info, SSN/Medicare numbers). The incident was contained on June 13, 2026, by revoking access and rotating credentials. Affected individuals were offered 24 months of Experian IdentityWorks.
- GLOBALPressvia One Medical Seniors2026-06-13
One Medical Data Breach Lawsuit Investigation. One Medical Seniors: A data breach at One Medical Seniors, a healthcare provider for seniors, was discovered. The incident, which occurred between June 8 and June 11, 2026, affected patients in several U.S. cities. A ransomware group named ShinyHunters claimed responsibility for the attack, stating that 8.8 TB of data had been compromised. The breach involved a third-party file storage system used for data archiving, without impacting the primary electronic medical records system.