---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-21-029509"
form_type: "8-K"
ticker: "USIO"
cik: "0001088034"
company_name: "Usio, Inc."
filed_at: "2021-12-30T23:59:59+00:00"
generated_at: "2026-06-27T21:36:32.129446+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# USIO discloses ransomware attack on Dec 25; non-payment data files exfiltrated from Office 365

## Summary
- Ransomware attack detected on December 25, 2021; encrypted a small portion of IT systems.
- Unauthorized download of non-payment processing data files from externally hosted Office 365 environment, separate from payment processing.
- Company remained operational throughout the incident; investigation ongoing with law enforcement and cybersecurity firms.
- Containment and remediation measures implemented; currently believes incident will not have a material impact on business or financial results.

## SEC filing metadata
- accession: 0001437749-21-029509
- form_type: 8-K
- ticker: USIO
- cik: 0001088034
- company_name: Usio, Inc.
- filed_at: 2021-12-30T23:59:59+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/1088034/000143774921029509/0001437749-21-029509-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1088034/000143774921029509/usio20211230_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-21-029509
- JSON: https://secwatch.observer/filing/0001437749-21-029509.json
- Plain text: https://secwatch.observer/filing/0001437749-21-029509.txt

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