HackingRetail & ConsumerRetailStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDPIIHighContained

BetMGM, LLC

bd_4719cb4c9748fc44 · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 28, 2022

Filed

Dec 21, 2022

To disclose

23 days

Affected

2,022state residents only

Linked

10 filings

Confidence

70%

Full breach record for BetMGM, LLC →

BetMGM, LLC notified Washington AG of a breach affecting 2,022 patrons. Unauthorized access occurred May 21-23, 2022, discovered Nov 28, 2022. Data included names, DOB, hashed SSNs, and account IDs. BetMGM offered 2 years of credit monitoring.

J jump to incidentP pin to compareR raw source

Washington clock✓ WA AG ≤30d23 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 191 days

discovery → filing · 23 days

May 21, 2022

Begins

Nov 28, 2022

Discovered

Dec 21, 2022

Filed

vs. sector median

5 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

Indiana State AGbd_0e2acd8c1a4199832022-12-21Verified
Maine State AGbd_13e2dee89e44f52c2022-12-21Candidate
Delaware State AGbd_21b53287946a75e62022-12-21Candidate
California State AGbd_80cc4646541383342022-12-21Verified

Show 5 more filings ↓up to 6d gap

Montana State AGbd_8e41365e32c505562022-12-21Verified by operator
Oregon State AGbd_e23ae2971d6cf6952022-12-21Verified
South Carolina State AGbd_38cbb0746ce748ce2022-12-22 · +1dVerified
Massachusetts State AGbd_9c4d0eabe8a6f8872022-12-20 · +1dVerified
New Hampshire State AGbd_98507ac64e8d118a2022-12-27 · +6dVerified

Name: BetMGM, LLC
norm: betmgm
Domain: betmgminc.com

Name: BetMGM, LLC
norm: betmgm
Domain: betmgminc.com
Industry: Retail & Consumerllm

Discovered: Nov 28, 2022
Breach occurred: May 21, 2022 – May 23, 2022
Undetected for: 191 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 21, 2022
Affected individuals: 2,022state-resident count only
Data types: Identity (basic)Government IDPII
Data elements: NameSocial Security numberDate of birth
WA-stated cause: Theft or Mistake
WA-stated duration: lifecycle 100-199dexposure 1-99d
WA-stated discovery: Found after the fact
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Washington Attorney General
Initial access: valid_credentials

During the incident: Launched an investigation
Working with leading security experts
Coordinating with law enforcement
Taking steps to further enhance security
Offering credit monitoring and identity restoration services for two years
Changes made: Enhancing security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 days(23 days from discovery to filing)
Compliance flags: WA AG ≤30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 10 states

View merged incident ↗

Massachusetts State AGDec 20 · first

Indiana State AG+1d

Maine State AG+1d

Delaware State AG+1d

California State AG+1d

Montana State AG+1d

Oregon State AG+1d

Washington State AG+1d · this page

South Carolina State AG+2d

New Hampshire State AG+7d

Pattern: first filing Dec 20 (MA), last Dec 27 (NH) — a 7-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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA17058.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 21, 2022
Raw hash: 30c68efaf269f4f3e8b84e3972506656721a36f108b99865bd2b3667d0118e86

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityBetMGM, LLC

Victim entityBetMGM, LLC

Incidentdiscovered Nov 28, 2022

Stated responseLaunched an investigation

ComplianceWA AG ≤30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com