Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Harvard Pilgrim Health Care

4 breaches2.7M affected in allHealthcare

Hacking breachHacking exposed names and health records. Reported to the HHS OCR.1,168 affectedInsuranceUSJul 21Breach, details not statedBreach notice filed with the Vermont AG, details not stated.HealthcareUSJan 21, 2025Ransomware breachRansomware exposed names, health records, insurance details and credentials and tokens. Reported to the California AG.2.7M affectedHealthcareUSMay 24, 2023Insider breachInsider exposed names and health records. Reported to the HHS archive.8,027 affectedHealthcareUSNov 20, 2020
About

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

Added2026-10-07
Harvard Pilgrim Health Care, 2026-07-21
Added2026-09-25
Harvard Pilgrim Health Care, 2020-11-20
records_basis2026-09-25
Harvard Pilgrim Health Care, 2023-05-24hhs
records2026-09-25
Harvard Pilgrim Health Care, 2023-05-242662337
disclosed2026-09-25
Harvard Pilgrim Health Care, 2023-05-242023-05-24
records_basis2026-09-25
Harvard Pilgrim Health Care, 2023-05-24organization
records2026-09-25
Harvard Pilgrim Health Care, 2023-05-242550920
source2026-09-25
Harvard Pilgrim Health Care, 2023-05-24https://ago.vermont.gov/document/2023-06-15-harvard-pilgrim-health-care-data-breach-notice-consumers
source2026-09-25
Harvard Pilgrim Health Care, 2023-05-24https://ago.vermont.gov/document/2023-07-20-harvard-pilgrim-health-care-data-breach-notice-consumers
source2026-09-25
Harvard Pilgrim Health Care, 2023-05-24https://ago.vermont.gov/document/2023-08-25-harvard-pilgrim-health-care-data-breach-notice-consumers
source2026-09-25
Harvard Pilgrim Health Care, 2023-05-24https://ago.vermont.gov/document/2024-03-27-harvard-pilgrim-health-care-data-breach-notice-consumers
Added2026-09-25
Harvard Pilgrim Health Care, 2025-01-21
data_types2026-09-25
Harvard Pilgrim Health Care, 2023-05-24["names","health","insurance","credentials"]
attack2026-09-25
Harvard Pilgrim Health Care, 2023-05-24ransomware
disclosed2026-09-25
Harvard Pilgrim Health Care, 2023-05-242023-06-15
discovered2026-09-25
Harvard Pilgrim Health Care, 2023-05-242023-04-17
disclosed2026-09-25
Harvard Pilgrim Health Care, 2023-05-242023-07-20
disclosed2026-09-25
Harvard Pilgrim Health Care, 2023-05-242023-08-25
disclosed2026-09-25
Harvard Pilgrim Health Care, 2023-05-242024-02-15
disclosed2026-09-25
Harvard Pilgrim Health Care, 2023-05-242024-03-27
disclosed2026-09-25
Harvard Pilgrim Health Care, 2023-05-242024-10-03
Added2026-09-25
Harvard Pilgrim Health Care, 2023-05-24
Added2026-09-25
Harvard Pilgrim Health Care