---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-081571"
form_type: "8-K"
ticker: "CRWD"
cik: "0001535527"
company_name: "CrowdStrike Holdings, Inc."
filed_at: "2024-07-22T23:59:59+00:00"
generated_at: "2026-05-31T18:31:17.613183+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# CrowdStrike Falcon sensor update causes Windows outages; reverted within 78 minutes

## Summary
- Sensor config update released 4:09 UTC July 19 caused outages for customers on certain Windows systems.
- Issue was not a cyberattack; CrowdStrike identified and isolated the problem and reverted update at 5:27 UTC.
- CrowdStrike mobilized teams and is working with impacted customers to fully restore systems.
- Remediation information provided via customer support portal and blog at crowdstrike.com/blog.
- Company says situation is evolving and continues to evaluate business and operational impact.

## SEC filing metadata
- accession: 0001104659-24-081571
- form_type: 8-K
- ticker: CRWD
- cik: 0001535527
- company_name: CrowdStrike Holdings, Inc.
- filed_at: 2024-07-22T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1535527/000110465924081571/0001104659-24-081571-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1535527/000110465924081571/tm2419936d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-081571
- JSON: https://secwatch.observer/filing/0001104659-24-081571.json
- Plain text: https://secwatch.observer/filing/0001104659-24-081571.txt

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