---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-301429"
form_type: "8-K"
ticker: "RXT"
cik: "0001810019"
company_name: "Rackspace Technology, Inc."
filed_at: "2022-12-09T23:59:59+00:00"
generated_at: "2026-06-21T06:54:50.896020+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Rackspace ransomware incident contained to Hosted Exchange email; ~1% of revenue affected

## Summary
- CrowdStrike confirmed incident was quickly contained and limited solely to the Hosted Exchange Email business.
- Hosted Exchange Email business represents approximately 1% of Rackspace's total annual revenue.
- No other Rackspace products, platforms, or businesses affected; customers being migrated to Microsoft Office 365.
- Company maintains cybersecurity insurance and expects to absorb potential financial costs.
- Investigation ongoing, with focus on root cause and additional security measures.

## SEC filing metadata
- accession: 0001193125-22-301429
- form_type: 8-K
- ticker: RXT
- cik: 0001810019
- company_name: Rackspace Technology, Inc.
- filed_at: 2022-12-09T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1810019/000119312522301429/0001193125-22-301429-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1810019/000119312522301429/d429186d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-301429
- JSON: https://secwatch.observer/filing/0001193125-22-301429.json
- Plain text: https://secwatch.observer/filing/0001193125-22-301429.txt

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