Partnership HealthPlan of California

2 breaches856K affected in allHealthcarepartnershiphp.org

Partnership HealthPlan mailings sent other members' health plan dataInsider exposed names, health records, dates of birth and insurance details. Reported to the California AG.Insider1,526 affectedInsuranceUSSep 4 Ransomware breachRansomware exposed names and health records. Reported to the California AG.855K affectedHealthcareUSMay 18, 2022

About

Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages, the company profile.

data_types2026-09-25

Partnership HealthPlan of California, 2022-05-18["names","health"]

summary2026-09-25

Partnership HealthPlan of California, 2022-05-18Partnership HealthPlan of California, the covered entity (CE), reported that it experienced a ransomware incident that affected the protected health information (PHI) of 852,375 individuals. The PHI involved included names, addresses, drive

records_basis2026-09-25

Partnership HealthPlan of California, 2022-05-18organization

records2026-09-25

Partnership HealthPlan of California, 2022-05-18854913

sector2026-09-25

Partnership HealthPlan of California, 2026-09-04insurance

data_types2026-09-25

Partnership HealthPlan of California, 2026-09-04["names","health","dob","insurance"]

discovered2026-09-25

Partnership HealthPlan of California, 2026-09-042026-07-07

summary2026-09-25

Partnership HealthPlan of California, 2026-09-04Partnership HealthPlan of California said some PCP selection forms and welcome packets mailed between May 13 and July 8, 2026 contained names, birth dates and member ID numbers of unrelated members. SSNs and ID numbers were not involved.

title2026-09-25

Partnership HealthPlan of California, 2026-09-04Partnership HealthPlan mailings sent other members' health plan data

domain2026-09-25

Partnership HealthPlan of Californiapartnershiphp.org

attack2026-09-25

Partnership HealthPlan of California, 2026-09-04insider

data_types2026-09-25

Partnership HealthPlan of California, 2026-09-04["names","health"]

records_basis2026-09-25

Partnership HealthPlan of California, 2026-09-04hhs

records2026-09-25

Partnership HealthPlan of California, 2026-09-041526

disclosed2026-09-25

Partnership HealthPlan of California, 2026-09-042026-09-04

attack2026-09-25

Partnership HealthPlan of California, 2022-05-18ransomware

discovered2026-09-25

Partnership HealthPlan of California, 2022-05-182022-03-19

Added2026-09-25

Partnership HealthPlan of California, 2022-05-18

Added2026-09-25

Partnership HealthPlan of California, 2026-09-04

Added2026-09-25

Partnership HealthPlan of California