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Leak SiteState AGConfirmed11 filings · 9 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedinc_ransomhigh sensitivity
Merged incident · 11 filings

Beacon Mutual Insurance — January 2026 breach

Clustered 11 filings across 10 jurisdictions · filing window Jan 14, 2026 → May 19, 2026. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

11 filings

States

9

Affected · reported

162,439

First → last filing

Jan 14, 2026 → May 19, 2026

Merge confidence

100%

incident inc_6dec00df1e7a4db4 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 9 regulatory filings and 2 unverified claims. The filings describe unauthorized access. Intrusion Jan 7, 2026–Jan 14, 2026, discovered Jan 14, 2026 — the first regulatory filing landed 124 days later (flagged late). 162,439 individuals reported across the linked filings. Data reported: Government ID, PII, Identity (basic), and 3 more. Notifications rolled out on a 125-day schedule across 9 filings beginning Jan 14, 2026. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Notification delay
124days

Discovered → first regulatory filing

Discovery variance
107days

Range of discovered_at dates across filings

Leak precedence
124days before filing

Days between the first leak-site claim and the first regulatory filing. Positive = the claim came first (public exposure before disclosure). Negative = the claim trailed the filing, so there was no pre-disclosure leak. Counts regulatory filings only — press coverage is not a regulatory disclosure.

Filing span
125days

Time between earliest and latest filing

Not recorded for this incident

Materiality delta · SEC filing delay — no SEC 8-K in this cluster.

Regulatory clocksCalifornia✗ CA 30-day late · 124dLeak gap⏱ Leak >90dFull clock table in Litigation Timeline

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Beacon Mutual Insurance data breach (2026) · DisclosureLens