Teamsters Union 25 Health Services & Insurance Plan — August 2025 breach

Clustered 6 filings across 5 jurisdictions · filed Sep 3, 2025 (dated filings only). View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

6 filings

States

Affected · reported

21,469

First → last dated filing

Sep 3, 2025

Merge confidence

100%

incident inc_978c0f1d5ff84416 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 6 regulatory filings. The filings describe unauthorized access. Intrusion Aug 1, 2025, discovered Aug 1, 2025 — the first regulatory filing landed 33 days later. 21,469 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and Health (basic). Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

33days

Discovered → first regulatory filing

Discovery variance

17days

Range of discovered_at dates across filings

Filing span

0days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.

Regulatory clocksMassachusetts✓ MA credit monitoring dueMaine✓ ME AG ≤30d · 16dHIPAA✓ HHS report on timeFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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