---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-009193"
form_type: "8-K"
ticker: "TRT"
cik: "0000732026"
company_name: "TRIO-TECH INTERNATIONAL"
filed_at: "2026-03-20T23:59:59+00:00"
generated_at: "2026-05-15T09:32:36.919547+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "medium"
source: SEC EDGAR
---

# Trio-Tech reports ransomware incident at Singapore subsidiary; data potentially exposed

## Summary
- Ransomware discovered March 11; initially deemed immaterial, escalated March 18 with unauthorized data disclosure.
- Subsidiary took network offline, engaged third-party forensic experts, notified Singapore law enforcement.
- Scope of affected data not yet determined; investigation ongoing; cyber insurance involved.
- No material operational disruption; company does not expect material impact on March 31, 2026 quarter results.
- Full financial impact unknown; could become material to financial statements and results.

## SEC filing metadata
- accession: 0001437749-26-009193
- form_type: 8-K
- ticker: TRT
- cik: 0000732026
- company_name: TRIO-TECH INTERNATIONAL
- filed_at: 2026-03-20T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: medium
- sec_items: 1.05
- EDGAR index: https://www.sec.gov/Archives/edgar/data/732026/000143774926009193/0001437749-26-009193-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/732026/000143774926009193/trt20260320_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-009193
- JSON: https://secwatch.observer/filing/0001437749-26-009193.json
- Plain text: https://secwatch.observer/filing/0001437749-26-009193.txt

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