Every public data breach

47 disclosed this week · 26,367 on record

Walmart

3 breaches17K affected in allHealthcare

About

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

disclosed2026-09-25
Walmart, 2018-02-222018-02-22
Added2026-09-25
Walmart, 2018-02-22
disclosed2026-09-25
Walmart, 2019-07-262019-07-26
disclosed2026-09-25
Walmart, 2019-07-262019-08-09
disclosed2026-09-25
Walmart, 2019-07-262019-10-17
disclosed2026-09-25
Walmart, 2019-07-262020-02-12
disclosed2026-09-25
Walmart, 2019-07-262020-11-20
records_basis2026-09-25
Walmart, 2019-07-26hhs
records2026-09-25
Walmart, 2019-07-2614532
sector2026-09-25
Walmart, 2019-07-26health
attack2026-09-25
Walmart, 2019-07-26lost-device
summary2026-09-25
Walmart, 2019-07-26The covered entity (CE), Walmart, reported that a laptop containing the protected health information (PHI) of 828 individuals was lost. The PHI involved included names, dates of birth, and other treatment information. The CE notified HHS, a
sector2026-09-25
Walmart, 2024-02-23health
attack2026-09-25
Walmart, 2024-02-23insider
data_types2026-09-25
Walmart, 2024-02-23["names","health"]
records_basis2026-09-25
Walmart, 2024-02-23hhs
records2026-09-25
Walmart, 2024-02-231267
summary2026-09-25
Walmart, 2024-02-23Walmart, the covered entity (CE) reported that a technical error made by an employee allowed the protected health information (PHI) of 1,267 individuals to be viewable via the Internet by others. The PHI involved included names, dates of bi
Added2026-09-25
Walmart, 2024-02-23
Added2026-09-25
Walmart, 2019-07-26
Added2026-09-25
Walmart