DisclosureLens
State AGConfirmed2 filings · 2 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedhigh sensitivity
Merged incident · 2 filings

MILLIMAN, INC. — May 2023 breach

Clustered 2 filings across 2 jurisdictions · filed Jan 12, 2024. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

2 filings

States

2

Affected · reported

56,457

First → last filing

Jan 12, 2024

Merge confidence

100%

incident inc_b4a55f31b5d6446d · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 2 regulatory filings. The filings describe hacking. Intrusion May 29, 2023–May 30, 2023, discovered May 30, 2023 — the first regulatory filing landed 227 days later (flagged late). 56,457 individuals reported across the linked filings. Data reported: Government ID and Identity (basic). Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay
227days

Discovered → first regulatory filing

Discovery variance
1days

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 clocksVermont✗ VT AG >45 bdayMaine✗ ME AG >90d · 227dFull clock table in Litigation Timeline

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Milliman, Inc. data breach (2023) · DisclosureLens