BREACHCONFIRMED
CK-12 Foundation Data Breach
Education Institution • education
Unknown
Records Affected
Feb 26, 2020
Disclosed
unknown
Attack Vector
Data Exposed
Email AddressesAccount Numbers
Timeline
OccurredInvalid Date
DiscoveredJuly 15, 2023
DisclosedFebruary 26, 2020
Last updated: February 4, 2026