---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-118634"
form_type: "8-K"
ticker: "SYK"
cik: "0000310764"
company_name: "STRYKER CORP"
filed_at: "2026-03-23T23:59:59+00:00"
generated_at: "2026-05-15T09:25:56.494248+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Stryker updates cyber incident: contained, no customer data accessed per Unit 42

## Summary
- Threat actor used malicious file to hide activity; file not capable of spreading internally or externally.
- Investigation has not identified malicious activity directed at customers, suppliers, or partners.
- Unit 42 letter confirms no persistent unauthorized access as of March 20, 2026; all IOCs addressed.
- Impacted systems being rebuilt or restored; manufacturing ramping as lines come back online.
- Company has not yet determined whether incident is reasonably likely to have a material impact.

## SEC filing metadata
- accession: 0001193125-26-118634
- form_type: 8-K
- ticker: SYK
- cik: 0000310764
- company_name: STRYKER CORP
- filed_at: 2026-03-23T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/310764/000119312526118634/0001193125-26-118634-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/310764/000119312526118634/d94012d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-118634
- JSON: https://secwatch.observer/filing/0001193125-26-118634.json
- Plain text: https://secwatch.observer/filing/0001193125-26-118634.txt

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