How can U.S. critical infrastructure organizations protect against Iranian hacker threats?

U.S. critical infrastructure organizations can protect against Iranian hacker threats by implementing a multi-layered security approach. First, they should secure Internet-exposed devices like Rockwell/Allen-Bradley PLCs by removing them from public internet access or using firewalls and VPNs for remote management. Regular software updates and patches are crucial to fix known vulnerabilities. Network segmentation should be employed to isolate critical systems from less secure networks, limiting the spread of attacks. Additionally, organizations should conduct continuous monitoring and intrusion detection to identify suspicious activities early. Employee training on cybersecurity best practices, such as recognizing phishing attempts, is essential to prevent social engineering attacks. Collaborating with government agencies like CISA for threat intelligence and following guidelines from the US warnings can help stay ahead of evolving threats. Proactive measures, including incident response planning and regular security audits, are key to mitigating risks and ensuring resilience against state-sponsored cyberattacks.

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