DisclosureLens
AccidentalHealthcareHealthcareMisdeliveryCustomer Data InvolvedHealth (basic)Identity (basic)Government IDPHIMediumResolved

BETH ISRAEL DEACONESS MEDICAL CENTER, INC.

bd_1ed2e7685be90948 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 19, 2025

Filed

Jan 21, 2026

To disclose

5 weeks

Affected

Not disclosed

Confidence

66%
Full breach record for BETH ISRAEL DEACONESS MEDICAL CENTER, INC. →18 incidents on file

Beth Israel Deaconess Medical Center (BIDMC) notified Massachusetts residents of a privacy incident discovered on December 19, 2025. A research study form containing patients' protected health information (PHI) and Social Security numbers was inadvertently disclosed to another patient. BIDMC counseled the involved employee and offered 24 months of Experian IdentityWorks monitoring. No unauthorized use of the data was detected.

Massachusetts clock⏱ MA AG >30d5 weeks discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 5 weeks / 33 days

Dec 19, 2025

Discovered

Jan 21, 2026

Filed

vs. sector median

6 wks faster

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