HackingRetail & ConsumerRetailStolen CredentialsData ExfiltratedIdentity (basic)LowContained

Boyd Gaming Corporation

bd_4d481001b07bc0f1 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 6, 2025

Filed

Oct 2, 2025

To disclose

26 days

Affected

16state residents only

Linked

10 filings

Confidence

64%

Full breach record for Boyd Gaming Corporation →

Boyd Gaming Corporation notified Vermont AG of a cyber incident involving unauthorized removal of personal information (names) from its systems. The incident occurred between September 5-7, 2025. The company engaged external cybersecurity experts and federal law enforcement, terminated unauthorized access, and offered two years of complimentary credit monitoring. 16 Rhode Island residents were confirmed affected.

J jump to incidentP pin to compareR raw source

Vermont clock⏱ VT AG >14 bday26 days discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 1 days

discovery → filing · 26 days

Sep 5, 2025

Begins

Sep 6, 2025

Discovered

Oct 2, 2025

Filed

vs. sector median

4 wks faster

This filing is one of 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

Texas State AGbd_5385549096954c1e2025-10-02Verified
Iowa State AGbd_fa49a9bb13c2a59c2025-10-02Verified
Maine State AGbd_5466f54815e13dc02025-10-01 · +1dVerified
Illinois State AGbd_7fc93624cae46c4c2025-10-01 · +1dVerified

Show 5 more filings ↓up to 9d gap

California State AGbd_d00c1c2465555cb62025-10-01 · +1dVerified
New Hampshire State AGbd_08fb36c9e929cb422025-10-06 · +4dVerified
Indiana State AGbd_106fff4bfd61efe62025-09-24 · +8dVerified
Montana State AGbd_b508b0707b18975f2025-09-24 · +8dVerified
SEC 8-Kbd_1a7e1ea1df6ca8ff2025-09-23 · +9dVerified

Name: Boyd Gaming Corporation
norm: boyd gaming

Name: Boyd Gaming Corporation
norm: boyd gaming
Industry: Retail & Consumerllm

Discovered: Sep 6, 2025
Breach occurred: Sep 5, 2025 – Sep 7, 2025
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Sep 24, 2025
Affected individuals: 16state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: coordination with federal law enforcement
Initial access: valid_credentials

During the incident: Launched an investigation with the support of external cybersecurity experts
Took steps to prevent further unauthorized activity and secure our environment
Terminated the unauthorized third party's access to the affected portion of our environment
Engaged third-party cybersecurity specialists to assist with the investigation and response
Continue to coordinate with federal law enforcement regarding the incident
Invest in additional security enhancements designed to mitigate against future risk
Arranged for you, at your option, to enroll in a complimentary two-year credit monitoring service
Engaged IDX to provide you with its Identity Protection Services
Changes made: Invest in additional security enhancements designed to mitigate against future risk
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 days(26 days from discovery to filing)
Compliance flags: VT AG >14 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 9 states

View merged incident ↗

SEC 8-KSep 23 · first

California State AG+8d

Texas State AG+9d

Iowa State AG+9d

Vermont State AG+9d · this page

New Hampshire State AG+13d

Pattern: first filing Sep 23, last Oct 6 (NH) — a 13-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://ago.vermont.gov/document/2025-10-02-boyd-gaming-corporation-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 2, 2025
Raw hash: 7ade34cac0725772f5728a7058250ae3d2fd802d2891a53beb80d93d54291b15

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityBoyd Gaming Corporation

Victim entityBoyd Gaming Corporation

Incidentdiscovered Sep 6, 2025

Stated responseLaunched an investigation with the support of external cybersecurity experts

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov