Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

BlueCross BlueShield of Tennessee

4 breaches1M affected in allInsurancebcbst.com

Company profile
Hacking breachHacking exposed names and health records. Reported to the HHS archive.1,670 affectedHealthcareUSDec 26, 2025Insider breachInsider exposed names and health records. Reported to the HHS archive.2,688 affectedHealthcareUSJul 25, 2023Hacking breachHacking exposed names and health records. Reported to the HHS archive.1,340 affectedInsuranceUSDec 18, 2020Theft of 57 unencrypted hard drives exposes data of over 1 million membersLost or stolen device exposed names, Social Security numbers, dates of birth, insurance details and health records.Lost or stolen device1.0M affectedInsuranceUSNov 1, 2010
About

Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages, the company profile.

Added2026-09-25
BlueCross BlueShield of Tennessee, 2020-12-18
records2026-09-25
BlueCross BlueShield of Tennessee, 2023-07-252688
disclosed2026-09-25
BlueCross BlueShield of Tennessee, 2023-07-252023-07-25
records2026-09-25
BlueCross BlueShield of Tennessee, 2023-07-251676
disclosed2026-09-25
BlueCross BlueShield of Tennessee, 2023-07-252023-12-19
Added2026-09-25
BlueCross BlueShield of Tennessee, 2023-07-25
disclosed2026-09-25
BlueCross BlueShield of Tennessee, 2025-12-262025-12-26
Added2026-09-25
BlueCross BlueShield of Tennessee, 2025-12-26
Added2026-09-25
BlueCross BlueShield of Tennessee, 2010-11-01
Added2026-09-25
BlueCross BlueShield of Tennessee