Boyd Gaming Corporation — September 2025 breach

Clustered 10 filings across 10 jurisdictions · filing window Sep 23, 2025 → Oct 6, 2025. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

10 filings

States

Affected · reported

19,381

First → last filing

Sep 23, 2025 → Oct 6, 2025

Merge confidence

100%

incident inc_6abe35562171411a · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 10 regulatory filings. The filings describe unauthorized access. Intrusion Sep 5, 2025–Sep 7, 2025, discovered Sep 6, 2025 — the first regulatory filing landed 17 days later (flagged late). 19,381 individuals reported across the linked filings. Data reported: Government ID, PII, Employment, and 1 more. Notifications rolled out on a 13-day schedule across 10 filings beginning Sep 23, 2025. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

17days

Discovered → first regulatory filing

Discovery variance

0days

Range of discovered_at dates across filings

SEC filing delay

0days

Materiality determination to SEC 8-K filing

Filing span

13days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta — no leak-site claim in this cluster.

Regulatory clocksIowa✗ IA AG >5 bdayVermont⏱ VT AG >14 bdayCalifornia✓ CA 60-day OK · 18dMaine✓ ME AG ≤30d · 25dTexas✓ TX AG ≤30dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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