# Organizations Investigate AOMEI Update Tampering

Google Threat Intelligence Group and Mandiant reported repeated tampering with AOMEI software-update configuration files from April through July 2026. Some malicious configurations remained active for only five to ten minutes before being reversed, meaning periodic checks could miss exposure. Government buyers and contractors using AOMEI products should assess update integrity and investigate potentially affected endpoints, including after the update servers have been corrected.

- Organizations can inventory AOMEI deployments and review relevant endpoints for signs of exposure during the reported period.
- Procurement and security teams can use the incident to evaluate software-update integrity and supply-chain risk when assessing products and suppliers that may be used in government environments.

**Jurisdictions:** international
**Industries:** Information Technology
**Topics:** Cybersecurity
**Published:** October 18, 2026

### Vendors
- AOMEI ()

### Key Quotes
> Users could download the authentic application from its official developer and still become infected through a compromised update mechanism.
> — Original poster

### Sources
- [Investigating Ephemeral Supply Chain Tampering](https://www.reddit.com/r/cybersecurity/comments/1x94f4x/investigating_ephemeral_supply_chain_tampering) - reddit-cybersecurity