DisclosureLens
MASSACHUSETTSAccidentalHealthcareHealthcareMisdeliveryCustomer Data InvolvedHealth (basic)Identity (basic)Government IDHighResolved

Blue Cross and Blue Shield of Massachusetts, Inc.

bd_dd5c7610422cc6bf · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Dec 26, 2017

To disclose

—

Affected

1,843

Confidence

50%
Full breach record for Blue Cross and Blue Shield of Massachusetts, Inc. →16 incidents on file

On February 20, 2017, Blue Cross Blue Shield of Massachusetts (BCBSMA) erroneously emailed a data file containing the protected health information (PHI) of 1,843 individuals to one of its employer accounts. The file included names, addresses, birthdates, and social security numbers. The error was discovered on December 12, 2017, when the employer account used the incorrect data to send letters. Upon notification, the recipient destroyed the data. BCBSMA reported the breach to HHS on December 26, 2017.

HIPAA clock✓ HHS notified
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline

Feb 20, 2017

Begins

Dec 26, 2017

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1,843 affectedView incident

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.