AccidentalHealthcareFinancial ServicesHealthcareMisdeliveryEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)PHIMediumResolved

BLUECROSS BLUESHIELD OF TENNESSEE, INC.

bd_d17ed3c737b6fb86 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 19, 2024

Filed

May 23, 2024

To disclose

9 weeks

Affected

1state residents only

Confidence

66%

Full breach record for BLUECROSS BLUESHIELD OF TENNESSEE, INC. →11 incidents on file

BlueCross BlueShield of Tennessee notified individuals of a privacy issue discovered on March 19, 2024, caused by human error. An employee mistakenly emailed a spreadsheet containing personal and health information to another insurance company. The recipient certified deletion. Affected data includes names, DOB, subscriber/group IDs, and claims info. The company provided HIPAA training and offered free credit monitoring via Experian.

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Incident timeline

discovery → filing · 9 weeks / 65 days

Mar 19, 2024

Discovered

May 23, 2024

Filed

vs. sector median

3 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: BLUECROSS BLUESHIELD OF TENNESSEE, INC.
norm: bluecross blueshield of tennessee
Domain: bcbst.com

Name: BLUECROSS BLUESHIELD OF TENNESSEE, INC.
norm: bluecross blueshield of tennessee
Domain: bcbst.com
Industry: HealthcarellmFinancial Servicesllm

Discovered: Mar 19, 2024
Materiality determined: —
Notification sent: May 23, 2024
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PHI
Data elements: Date of birth
Attack vector: Unknown
MITRE ATT&CK: T1535 Unused/Unsupported Cloud Storage
Threat actor: Internal

During the incident: Gave more training to the employee who made the mistake about their department policies and HIPAA
Offered Experian’s IdentityWorks Credit 1B service at no cost
Changes made: Provided additional training to the employee regarding department policies and HIPAA
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(65 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-1423.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 23, 2024
Raw hash: 3f8ea748c990b98e632d6d79b7e2b20a2b405237ebcc1df30d56327815850776

Reporting entityBLUECROSS BLUESHIELD OF TENNESSEE, INC.

Victim entityBLUECROSS BLUESHIELD OF TENNESSEE, INC.

Incidentdiscovered Mar 19, 2024

Stated responseGave more training to the employee who made the mistake about their department policies and HIPAA

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov