---
schema_version: "secwatch.filing_event.v1"
accession: "0000101829-25-000036"
form_type: "8-K"
ticker: "RTX"
cik: "0000101829"
company_name: "RTX Corp"
filed_at: "2025-09-24T23:59:59+00:00"
generated_at: "2026-05-17T05:44:56.062229+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# RTX discloses ransomware incident on MUSE airport passenger processing software

## Summary
- Ransomware on systems supporting MUSE multi-user passenger processing software used by airlines for check-in, baggage handling, and gate resources.
- Affected airlines shifted to backup/manual processes, causing flight delays and cancellations.
- RTX activated incident response, engaged internal and external experts, notified law enforcement and government agencies.
- Company states incident has not had and is not reasonably expected to have a material financial impact.
- Investigation ongoing; RTX providing technical support and guidance to affected airlines and airports.

## SEC filing metadata
- accession: 0000101829-25-000036
- form_type: 8-K
- ticker: RTX
- cik: 0000101829
- company_name: RTX Corp
- filed_at: 2025-09-24T23:59:59+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/101829/000010182925000036/0000101829-25-000036-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/101829/000010182925000036/rtx-20250919.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000101829-25-000036
- JSON: https://secwatch.observer/filing/0000101829-25-000036.json
- Plain text: https://secwatch.observer/filing/0000101829-25-000036.txt

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