FBI Seized Vulnerability Scanning and Spear Phishing Tools Used by China-Linked Hackers

The FBI and U.S. Justice Department have seized seven domains tied to Microscan and FishHub, two hacking tools allegedly operated by China-based Integrity Technology Group. Announced on October 8, 2026, the court-authorized action aims to cut access to systems used to scan critical infrastructure, support spear phishing, and steal files from compromised networks. Court documents unsealed in the Western District of Pennsylvania link the activity to Flax Typhoon, a hacking group tracked by security researchers. Authorities say Integrity Technology Group has Chinese government contracts and supplied tools that helped its clients find weak systems and gain unauthorized access. The operation targets supporting infrastructure rather than...

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