---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-004769"
form_type: "8-K"
ticker: "YUM"
cik: "0001041061"
company_name: "YUM BRANDS INC"
filed_at: "2023-01-19T23:59:59+00:00"
generated_at: "2026-06-20T12:53:07.794691+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Yum! Brands discloses ransomware attack; 300 UK stores closed 1 day, data taken but no customer data

## Summary
- Ransomware attack on Jan 18, 2023; containment measures, investigation, and law enforcement notified.
- Less than 300 UK restaurants closed for one day; all stores now operational.
- Data taken from network but no evidence customer databases were stolen.
- No other restaurant disruptions; company does not expect material adverse impact.
- Systems restoration expected to be largely complete in coming days.

## SEC filing metadata
- accession: 0001104659-23-004769
- form_type: 8-K
- ticker: YUM
- cik: 0001041061
- company_name: YUM BRANDS INC
- filed_at: 2023-01-19T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1041061/000110465923004769/0001104659-23-004769-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1041061/000110465923004769/tm233852d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-004769
- JSON: https://secwatch.observer/filing/0001104659-23-004769.json
- Plain text: https://secwatch.observer/filing/0001104659-23-004769.txt

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