Social EngineeringSocial OtherSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHigh

CAESARS ENTERTAINMENT, INC.

bd_05c8c6491430b9e6 · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 7, 2023

Filed

Oct 6, 2023

To disclose

29 days

Affected

41,397scope not determined

Linked

12 filings

Confidence

75%

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

Caesars Entertainment, Inc. experienced a data breach resulting from a social engineering attack on an outsourced IT support vendor. The attack led to unauthorized access to Caesars' network and the exfiltration of data, which was discovered to include the personal information of state residents. The breach affected 41,397 Maine residents, exposing their names and driver's license or non-driver identification card numbers.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Sep 7, 2023 → Filed with AG Oct 6, 202329d ✓ ME AG ≤30d29 days discovery → filing

Incident timeline

undetected · 15 days

discovery → filing · 29 days

Aug 23, 2023

Begins

Sep 7, 2023

Discovered

Oct 6, 2023

Filed

This filing is one of 12 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Washington State AGbd_272f94a6f3de2ba42023-10-06Verified
New Hampshire State AGbd_3808f9e72f2d34c32023-10-06Verified
Delaware State AGbd_69a1d6b1c88c08cd2023-10-06Verified
Montana State AGbd_99384d40133c3f202023-10-06Verified

Show 6 more filings ↓up to 12d gap

Indiana State AGbd_c1415bc5d04e33312023-10-06Verified
Hawaii State AGbd_4875e85583699d0e2023-10-11 · +5dVerified
Massachusetts State AGbd_af0b8fc7aaaaff0f2023-10-11 · +5dVerified
California State AGbd_f8b5acb3346f154c2023-10-11 · +5dVerified
South Carolina State AGbd_b19c75ce2c69d4bd2023-10-12 · +6dVerified
Oregon State AGbd_e9281b4209172a1f2023-10-18 · +12dVerified

Showing first 10 of 11 linked disclosures.

Name: CAESARS ENTERTAINMENT, INC.
norm: caesars entertainment

Name: CAESARS ENTERTAINMENT, INC.
norm: caesars entertainment

Discovered: Sep 7, 2023
Breach occurred: Aug 23, 2023
Undetected for: 15 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 6, 2023
Affected individuals: 41,397scope not determined
Data types: Identity (basic)Government ID
Data elements: Driver's licence number
Attack vector: Third-Party / Supply Chain
Threat actor: External

Changes made: Offered 24 months of complimentary credit and dark web monitoring.
Provided a $1,000,000 insurance reimbursement policy.
Offered fully managed identity restoration services.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 days(29 days from discovery to filing)
Compliance flags: ME AG ≤30d · 29d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Sep 7, 2023
→ Filed with AG: Oct 6, 2023
29d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 7, 2023 → Filed with AG: Oct 6, 2023	29d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

Washington State AGOct 6 · first

New Hampshire State AGOct 6 · first

Delaware State AGOct 6 · first

Montana State AGOct 6 · first

Indiana State AGOct 6 · first

Maine State AGOct 6 · first · this page

Hawaii State AG+5d

Massachusetts State AG+5d

California State AG+5d

South Carolina State AG+6d

Oregon State AG+12d

Pattern: first filing Oct 6 (WA), last Oct 18 (OR) — a 12-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/b21dc5d1-0bee-4a4c-92dc-bef4bbb519c9.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 6, 2023
Raw hash: 264aa9ff05e9d7cc8d3549b58d82807cc9b48efcf24479bb1ef530902b2b34da

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityCAESARS ENTERTAINMENT, INC.

Victim entityCAESARS ENTERTAINMENT, INC.

Incidentdiscovered Sep 7, 2023

Stated responseOffered 24 months of complimentary credit and dark web monitoring.

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov