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FBI Seizes Chinese Hacking Domains Used to Target US Infrastructure

Alex Mercer 16.10.2026

How the Cyber Operation Functioned

The Federal Bureau of Investigation has disrupted a sophisticated cyber operation linked to China. Agents seized seven web domains associated with Integrity Technology Group. This Chinese firm allegedly provided hacking tools to state-sponsored spies. The tools were used to scan critical US infrastructure for weaknesses. The FBI acted to stop ongoing threats to national security.

The investigation reveals that these malicious tools infected devices starting in 2021. The operation continued until federal agents intervened. The primary target was a power company in South Carolina. Hackers scanned its network to find vulnerabilities. Other critical infrastructure systems were also probed. The goal was to map out potential entry points for future attacks.

Integrity Technology Group is a private security firm with ties to the Chinese government. The FBI identified specific domains that hosted their malicious software. These domains allowed operatives to deploy scanning tools remotely. The tools searched for unpatched software and weak security configurations. By identifying these flaws, attackers could plan more damaging intrusions. The disruption removes the immediate infrastructure needed for these scans.

Why Seven Governments Issued Joint Warnings

The agency issued a subsequent advisory to warn other organizations. This alert detailed the specific indicators of compromise. It helped defenders identify if their systems had been touched. The move highlights the persistent threat from state actors. They use commercial firms to mask their government connections. This complexity makes attribution and defense more difficult for victims.

Seven governments recently issued a joint warning about Chinese espionage. They cited widespread theft of sensitive data worldwide. The FBI action aligns with this broader international concern. Officials noted that PRC spies are actively targeting critical sectors. Energy, telecommunications, and financial services are prime targets. The joint advisory underscores the global scale of this threat.

The seizure of domains is a significant tactical win. It degrades the attacker's ability to operate. However, experts warn that the threat does not disappear. Chinese operatives may develop new tools quickly. They might use different infrastructure to resume scanning. The focus on critical infrastructure remains a top priority for US agencies.

Frequently Asked Questions

What specific company was involved in the hacking? The FBI linked the operation to Integrity Technology Group. This is a Chinese security firm. It allegedly provided tools to state-backed cyber operatives.

How long had the hacking tools been active? The malicious tools infected devices from 2021. They remained operational until the FBI seized the domains.

Which sector was the primary target? A power company in South Carolina was the main focus. Other critical infrastructure systems were also scanned for vulnerabilities.

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