---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-235015"
form_type: "8-K"
ticker: "CZR"
cik: "0001590895"
company_name: "Caesars Entertainment, Inc."
filed_at: "2023-09-14T23:59:59+00:00"
generated_at: "2026-06-10T17:35:56.111574+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Caesars discloses cyberattack on IT vendor; loyalty data with SSNs and DL numbers accessed

## Summary
- Social engineering attack on outsourced IT support vendor accessed loyalty database including driver's license numbers and SSNs for many members.
- Customer-facing operations (physical properties, online gaming) not disrupted; no evidence passwords/PINs, bank account, or PCI data taken.
- Company offering credit monitoring to all loyalty members; notifications rolling in coming weeks.
- Investigation ongoing with cybersecurity firms and law enforcement; vendor implementing corrective measures.
- Company does not currently expect material financial impact but has incurred remediation expenses.

## SEC filing metadata
- accession: 0001193125-23-235015
- form_type: 8-K
- ticker: CZR
- cik: 0001590895
- company_name: Caesars Entertainment, Inc.
- filed_at: 2023-09-14T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1590895/000119312523235015/0001193125-23-235015-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1590895/000119312523235015/d537840d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-235015
- JSON: https://secwatch.observer/filing/0001193125-23-235015.json
- Plain text: https://secwatch.observer/filing/0001193125-23-235015.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.