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Japan Defense Finds China-Linked Virus on Counterfeit USBs, Threatening Infrastructure

6/26/2026

Summary

Story summary

Japan’s Ground Self-Defense Force found a China-linked computer virus on its secure network in February 2025.
The virus arrived on six of eight counterfeit USB sticks that were handed to the force during March 2024 earthquake-relief operations.
More than 50 computers, nearly half of which store classified data, had been connected to the infected drives.
Officials warned the malware could disable systems that support communications, transportation, water and power, jeopardizing crisis response.

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Story summary

Japan’s Ground Self-Defense Force found a China-linked computer virus on its secure network in February 2025.
The virus arrived on six of eight counterfeit USB sticks that were handed to the force during March 2024 earthquake-relief operations.
More than 50 computers, nearly half of which store classified data, had been connected to the infected drives.
Officials warned the malware could disable systems that support communications, transportation, water and power, jeopardizing crisis response.