BREACHCONFIRMED
Highmark Inc. Data Breach
Healthcare Organization • healthcare
Unknown
Records Affected
Dec 23, 2020
Disclosed
phishing
Attack Vector
Data Exposed
NamesAddressesEmail AddressesPhone Numbers
Timeline
OccurredJanuary 27, 2021
DiscoveredJanuary 27, 2021
DisclosedDecember 23, 2020
Last updated: February 4, 2026