Keenan & Associates

Disclosed Nov 20, 201535,404 affectedConfirmed

What is known

People affected	35,404 (as reported to HHS)
Disclosed	Nov 20, 2015
Happened	Oct 9, 2015
Attack	Insider
Data exposed	NamesSocial Security numbersHealth
Sector	Healthcare · US
Status	Confirmed

History of this record

sector2026-09-25

other to healthby backfillSource

attack2026-09-25

unknown to insiderby backfillSource

data_types2026-09-25

["names","ssn"] to ["names","ssn","health"]by backfillSource

records_basis2026-09-25

empty to hhsby backfillSource

records2026-09-25

empty to 35404by backfillSource

data_types2026-09-25

[] to ["names","ssn"]by backfillSource

disclosed2026-09-25

2015-12-01 to 2015-11-20by backfillSource

Added2026-09-25

First recordedby backfillSource

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