HackingHospitalityHospitalityTargetedIdentity (basic)Government IDPIIHighContained

CAESARS ENTERTAINMENT, INC.

bd_72dd76b7d361c5fa · schema v1 · pii pii-v1

Severity

High

Discovered

Feb 23, 2026

Filed

May 19, 2026

To disclose

12 weeks

Affected

44,023state residents only

Linked

5 filings

Confidence

71%

Full breach record for CAESARS ENTERTAINMENT, INC. →5 incidents on file

Caesars Entertainment, Inc. reported a cyberattack on cloud-hosted platforms in Washington, affecting 44,023 individuals. The incident was discovered on February 23, 2026, and notifications were sent on May 19, 2026. The company engaged forensic investigators, notified law enforcement, and offered two years of identity theft protection services.

J jump to incidentP pin to compareR raw source

Washington clock⏱ WA AG >30d12 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 12 weeks / 85 days

Feb 23, 2026

Begins

Feb 23, 2026

Discovered

May 19, 2026

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Maine State AGbd_138f8ddfaecf203f2026-05-19Verified
Massachusetts State AGbd_31c6a3a3f545b05f2026-05-19Candidate
Nebraska State AGbd_a03bc054d33108f42026-05-19Verified
Indiana State AGbd_f470418f2f6854d82026-05-19Verified

Name: CAESARS ENTERTAINMENT, INC.
norm: caesars entertainment

Name: CAESARS ENTERTAINMENT, INC.
norm: caesars entertainment
Industry: Hospitalityllm

Discovered: Feb 23, 2026
Breach occurred: Feb 23, 2026 – Mar 3, 2026
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 19, 2026
Affected individuals: 44,023state-resident count only
Data types: PIIIdentity (basic)
Data elements: NameSocial Security numberDriver's licence numberDate of birthPassport number
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoing
Attack vector: Unknown
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Activated incident response protocols
Executed containment and remediation measures
Engaged a leading cybersecurity firm
Notified law enforcement
Changes made: Offering two years of complimentary identity theft protection services through IDX
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(85 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Maine State AGMay 19 · first

Massachusetts State AGMay 19 · first

Nebraska State AGMay 19 · first

Indiana State AGMay 19 · first

Washington State AGMay 19 · first · this page

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/BreachA40910.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 19, 2026
Raw hash: 493fbca371e27f296647f97b3b88ed5227d372a7d6a167a88fc7572af27a2dd8

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityCAESARS ENTERTAINMENT, INC.

Victim entityCAESARS ENTERTAINMENT, INC.

Incidentdiscovered Feb 23, 2026

Stated responseActivated incident response protocols

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com