Blue Cross Blue Shield of Tennessee Data Breach History

This page tracks the Blue Cross Blue Shield of Tennessee data breach history and cybersecurity incidents affecting Blue Cross Blue Shield of Tennessee. BreachHistory currently indexes 2 publicly disclosed or catalogued incidents spanning 2009 through 2010, with approximately 2.0 million records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.

The Blue Cross Blue Shield of Tennessee breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed.

Largest Blue Cross Blue Shield of Tennessee Data Breaches

The largest indexed incidents include the 2010 — Blue Cross Blue Shield of Tennessee: A thief stole 57 hard drives from the … and the 2009 — Blue Cross Blue Shield of Tennessee: A thief stole 57 hard drives from the …. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Blue Cross Blue Shield of Tennessee or a regulator. Below is the list of large data breaches:

• 2010 2010 — Blue Cross Blue Shield of Tennessee: A thief stole 57 hard drives from the closet of a… — about 1.0M records exposed · Catalogued incident
• 2009 2009 — Blue Cross Blue Shield of Tennessee: A thief stole 57 hard drives from the closet of a… — about 1.0M records exposed · Catalogued incident

What Information Was Exposed?

Depending on the incident, exposed data may include email addresses, passwords, phone numbers, names, profile information, account identifiers, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

Blue Cross Blue Shield of Tennessee Data Breach 2026

At the time of this update, no Blue Cross Blue Shield of Tennessee data breach has been catalogued for 2026. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.

What To Do If You Were Affected

If you believe your account may have been involved in a Blue Cross Blue Shield of Tennessee data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.

This Blue Cross Blue Shield of Tennessee breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.