Critical

Nearly 4,000 US industrial devices exposed to Iranian cyberattacks

BleepingComputer

April 10, 2026 at 3:52 PM

Actively Exploited

Overview

Iranian-linked hackers have targeted U.S. critical infrastructure by exploiting vulnerabilities in nearly 4,000 internet-connected programmable logic controllers (PLCs) made by Rockwell Automation. These devices are essential for controlling various industrial processes, making them prime targets for cyberattacks that could disrupt operations. The exposure of these PLCs raises significant concerns about the security of critical infrastructure, as successful attacks could lead to severe disruptions in industries such as manufacturing and energy. Researchers are urging companies using these devices to take immediate action to strengthen their cybersecurity measures and protect against potential intrusions. This incident serves as a reminder of the ongoing risks posed by state-sponsored cyber activities and the need for enhanced defenses in industrial environments.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: Programmable Logic Controllers (PLCs) by Rockwell Automation
Action Required: Companies should enhance cybersecurity measures, including network segmentation, regular software updates, and monitoring for unusual activity.
Timeline: Newly disclosed

Original Article Summary

The attack surface targeted by Iranian-linked hackers in cyberattacks against U.S. critical infrastructure networks includes thousands of Internet-exposed programmable logic controllers (PLCs) manufactured by Rockwell Automation. [...]

Impact

Programmable Logic Controllers (PLCs) by Rockwell Automation

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Companies should enhance cybersecurity measures, including network segmentation, regular software updates, and monitoring for unusual activity.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Critical.

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