DisclosureLens
MASSACHUSETTSHackingHealthcareFinancial ServicesHealthcareCustomer Data InvolvedHealth (basic)Identity (basic)Medium

Teamsters Union 25 Health Services & Insurance Plan

bd_e5d5993ff2339965 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 18, 2025

Filed

Sep 3, 2025

To disclose

—

Affected

19,231

Linked

6 filings

Confidence

94%
Full breach record for Teamsters Union 25 Health Services & Insurance Plan →

Teamsters Union 25 Health Services & Insurance Plan, a health plan based in MA, reported to HHS OCR on 2025-09-03 a Hacking/IT Incident affecting 19,231 individuals. Breached information was located on a Network Server. No business associate was identified as present in connection with this breach.

HIPAA clock✓ HHS report on time
⚠ 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 · 16 days

Aug 18, 2025

Discovered

Sep 3, 2025

Filed

This filing is one of 6 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓

Filing propagation · 6 filings · 5 states

View merged incident ↗
Nebraska State AGSep 3 · first
Massachusetts State AGSep 3 · first
Maine State AGSep 3 · first
New Hampshire State AGSep 3 · first
Vermont State AGSep 3 · first
HHS OCRSep 3 · first · this page

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.