---
title: "Caesars Entertainment security incident"
description: "What the retained public evidence establishes about the Caesars Entertainment incident, its attack path, impact, and response."
incident_type: "Cybersecurity incident"
status: "active"
last_modified: "2026-09-19"
canonical_url: "https://www.ally.security/incidents/caesars-entertainment-security-incident-2023"
markdown_url: "https://www.ally.security/incidents/caesars-entertainment-security-incident-2023.md"
stix_url: "https://www.ally.security/incidents/caesars-entertainment-security-incident-2023/stix.json"
---

# Caesars Entertainment security incident

Same Scattered Spider campaign; compromised via a third-party IT vendor. Paid ransom to avoid data leak.

Last modified Sep 19, 2026 · 1 source

## Summary

- **Environment:** Hospitality/Casino
- **Operational impact:** Paid ransom to avoid data leak
- **Financial impact:** No financial figure is established by the reviewed source evidence

## What happened

In 2023, Caesars Entertainment experienced an incident in its hospitality/casino environment. The retained source describes the attack path as follows: Same Scattered Spider campaign; compromised via a third-party IT vendor. [1](#source-1)

The documented consequence was: Paid ransom to avoid data leak. [1](#source-1)

## Impact

- Documented impact: Paid ransom to avoid data leak. [1](#source-1)
- No financial loss, ransom amount, recovery cost, or regulatory penalty is established by the reviewed source evidence.

## Threat Group & Attack Vector

The retained source describes the attack path as follows: Same Scattered Spider campaign; compromised via a third-party IT vendor. The canonical record does not add intrusion steps beyond those supported by the source. [1](#source-1)

### Actors

- **Scattered Spider** — identified in the supported attack description. [1](#source-1)

### TTPs

- No specific MITRE ATT\&CK technique is currently mapped for this case.

## Response

The retained source reports coordination with law enforcement as part of the incident response. [1](#source-1)
The retained source describes containment action intended to limit further access or disruption. [1](#source-1)
The retained source describes a forensic or specialist investigation of the incident. [1](#source-1)

This account is bounded to [Caesars Entertainment Form 8-K](https://www.sec.gov/Archives/edgar/data/1590895/000119312523235015/d537840d8k.htm). Details absent from that evidence are left unresolved rather than inferred. [1](#source-1)

## Assets

[Download the case-scoped STIX 2.1 bundle](<https://www.ally.security/incidents/caesars-entertainment-security-incident-2023/stix.json>)

## Sources

Primary source records used to research this incident.

<a id="source-1"></a>

### Caesars Entertainment Form 8-K

regulatory · U.S. Securities and Exchange Commission

<https://www.sec.gov/Archives/edgar/data/1590895/000119312523235015/d537840d8k.htm>

<details>
<summary>Evidence ledger</summary>

Review the supporting structured claims.

1. **Resulted In · 90% confidence · current**  
   Caesars Entertainment security incident: The retained source describes a forensic or specialist investigation of the incident.
2. **Resulted In · 90% confidence · current**  
   Caesars Entertainment security incident: The retained source reports coordination with law enforcement as part of the incident response.
3. **Resulted In · 90% confidence · current**  
   Caesars Entertainment security incident: The retained source describes containment action intended to limit further access or disruption.
4. **Resulted In · 85% confidence · current**  
   Caesars Entertainment security incident: Same Scattered Spider campaign; compromised via a third-party IT vendor.
5. **Resulted In · 100% confidence · current**  
   Caesars Entertainment security incident: The reviewed source documents the caesars entertainment security incident involving Caesars Entertainment.
6. **Affected Organization · 100% confidence · current**  
   Caesars Entertainment security incident: Caesars Entertainment
7. **Resulted In · 84% confidence · current**  
   Caesars Entertainment security incident: Paid ransom to avoid data leak.

</details>