QuickFox Supply Chain Attack Delivers FDMTP Backdoor via Trojanized Windows Installer
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Cybersecurity researchers have disclosed what has been described as a "long-standing supply chain attack" on QuickFox, a virtual private network (VPN) and network acceleration tool designed for overseas Chinese users. According to Fortinet FortiGuard Labs, the supply chain attack has been ongoing since at least August 2025 and involves a trojanized version of the application to deliver FDMTP, a
1Key Takeaways
- Cybersecurity researchers have disclosed what has been described as a "long-standing supply chain attack" on QuickFox, a virtual private network (VPN) and network acceleration tool designed for overseas Chinese users.
- According to Fortinet FortiGuard Labs, the supply chain attack has been ongoing since at least August 2025 and involves a trojanized version of the application to deliver FDMTP, a.
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3Why it matters
Security headlines highlight new attack surfaces as AI gets embedded in more systems. The Hacker News reports that cybersecurity researchers have disclosed what has been described as a "long-standing supply chain attack" on QuickFox, a virtual private network (VPN) and network acceleration tool designed for overseas Chinese users.
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