---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-213546"
form_type: "8-K"
ticker: "BYD"
cik: "0000906553"
company_name: "BOYD GAMING CORP"
filed_at: "2025-09-23T23:59:59+00:00"
generated_at: "2026-05-17T05:56:07.437556+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Boyd Gaming reports data breach: unauthorized party accessed IT system, removed employee info

## Summary
- Unauthorized third party accessed internal IT system; no impact on properties or operations.
- Data removed includes information about employees and a limited number of other individuals.
- Company notifying impacted individuals and regulators; cooperating with federal law enforcement.
- Company believes incident will not have material adverse effect on financial condition; has cyber insurance.

## SEC filing metadata
- accession: 0001193125-25-213546
- form_type: 8-K
- ticker: BYD
- cik: 0000906553
- company_name: BOYD GAMING CORP
- filed_at: 2025-09-23T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/906553/000119312525213546/0001193125-25-213546-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/906553/000119312525213546/d20726d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-213546
- JSON: https://secwatch.observer/filing/0001193125-25-213546.json
- Plain text: https://secwatch.observer/filing/0001193125-25-213546.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.