Threat Intel

Investigating Ephemeral Supply Chain Tampering

Mandiant documents a months-long campaign in which attackers repeatedly injected short-lived malicious payloads into AOMEI Technology's update infrastructure—a stealthy supply-chain pattern that challenges conventional integrity checks.

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Filed by Google Threat Intel15 October 20261 min readRead at source ↗

Written by: Tyler McLellan Introduction Google Threat Intelligence Group (GTIG) and Mandiant investigated a software supply chain compromise campaign targeting the update infrastructure belonging to AOMEI Technology between April 2026 and July 2026. The threat actor conducted repeated, short-burst configuration tampering against AOMEI origin servers. Each tampering window remained active for only five to ten minutes before reverting to authentic versions. This is the first time that we have enco

Editorial Analysis

Why it matters

Ephemeral tampering of vendor update channels evades both periodic integrity scans and traditional SBOM-based controls, raising the bar for third-party software assurance across European enterprises.

What to do

Implement continuous hash-verification and code-signing validation for all third-party software update channels, and require vendors to attest to update-pipeline security controls.

Board brief

Attackers covertly modified a software vendor's update pipeline in short bursts—review your organisation's controls for verifying the integrity of every software update it ingests.

Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.

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