Highmark data breaches ยท Privacy Unpackedhttps://privacyunpacked.com/breaches/company/highmark/feed.xml2023-02-03T00:00:00ZPrivacy UnpackedHighmark data breach (United States): 1,980 Washington residentshttps://privacyunpacked.com/breaches/company/highmark/#highmark-2023-02-032023-02-03T00:00:00ZHighmark (United States) notified the California Attorney General, the Washington Attorney General and the Delaware Attorney General of a data breach on 3 February 2023. It told the states about 1,980 Washington residents; the total can be higher. The breach began on 13 December 2022, 52 days before it was reported.