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BlueCross BlueShield of Tennessee

Disclosed Dec 18, 20205 years ago1,340 affectedConfirmed

Official notice

The covered entity (CE), BlueCross BlueShield of Tennessee, reported that an employee of its business associate (BA) was the victim of an email phishing scheme that affected the electronic protected health information (ePHI) of 1,340 individuals. The ePHI involved included names, addresses, dates of birth, phone numbers, email addresses, Social Security numbers, health insurance information, diagnoses, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the BA implemented additional administrative, technical, and security safeguards to better protect PHI. All employees were retrained on the proper methods of detecting and responding to fraudulent email communications. OCR provided the CE with technical assistance.

What is known

People affected1,340 (as reported to HHS)
DisclosedDec 18, 2020
AttackHacking
Data exposedNames, Health
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalDec 18, 20201,340

Other breaches at BlueCross BlueShield of Tennessee

BreachAffected
Disclosed Dec 26, 2025Dec 26, 20259 months agoHacking1,670
Disclosed Jul 25, 2023Jul 25, 20233 years agoInsider2,688
Theft of 57 unencrypted hard drives exposes data of over 1 million membersNov 1, 201015 years agoLost or stolen device1M
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

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