Every public data breach

44 disclosed this week · 26,355 on record

Community Health Plan of Washington

Disclosed Dec 21, 2016381,504 affectedConfirmed

Official notice

Vendor's unsecured FTP server exposes data of 381,504 health plan members

Business associate Transactions Application Group failed to secure a port on an FTP server, allowing unauthorized access to names, addresses, birth dates, Social Security numbers and claims codes of 381,504 plan members.

What is known

People affected381,504 (as reported by the organization)
DisclosedDec 21, 2016
DiscoveredNov 30, 2016
HappenedJan 16, 2016
AttackVendor breach
Data exposedNamesAddressesDates of birthSocial Security numbersHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

History of this record
source2026-09-25
empty to https://www.maine.gov/ag/sites/maine.gov.ag/files/docs/Data%20breach%20spreadsheet%208-1-2021%20through%2012-5-2018%20REDACTED.xlsxby backfillSource
sector2026-09-25
health to insuranceby seedSource
attack2026-09-25
hacking to third-partyby seedSource
data_types2026-09-25
[] to ["names","addresses","dob","ssn","health"]by seedSource
records_basis2026-09-25
empty to organizationby seedSource
records2026-09-25
empty to 381504by seedSource
summary2026-09-25
empty to Business associate Transactions Application Group failed to secure a port on an FTP server, allowing unauthorized access to names, addresses, birth dates, Social Security numbers and claims codes of 381,504 plan members.by seedSource
title2026-09-25
empty to Vendor's unsecured FTP server exposes data of 381,504 health plan membersby seedSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Washington AG), confirmed by Washington AG. Record counts are as reported. Not legal advice.

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