BREACHCONFIRMED
21st Century Oncology Data Breach
Healthcare Organization • healthcare
Unknown
Records Affected
Sep 2, 2014
Disclosed
third party
Attack Vector
Data Exposed
NamesSocial Security NumbersmedicalFinancial Records
Timeline
OccurredOctober 3, 2015
DiscoveredNovember 13, 2015
DisclosedSeptember 2, 2014
Last updated: February 5, 2026