BREACHCONFIRMED
Macmillan and its affiliates (“Macmillan”) Data Breach
Education Institution • education
Unknown
Records Affected
Jun 16, 2022
Disclosed
ransomware
Attack Vector
Data Exposed
NamesDates of BirthAddressesEmail AddressesPhone Numbers
Timeline
OccurredInvalid Date
DiscoveredJune 25, 2022
DisclosedJune 16, 2022
Last updated: February 4, 2026