Iranian Cyber Actors May Target Vulnerable US Networks and Entities of Interest

CISA, the Federal Bureau of Investigation (FBI), the Department of Defense Cyber Crime Center (DC3), and the National Security Agency (NSA) published Iranian Cyber Actors May Target Vulnerable US Networks and Entities of Interest. This joint fact sheet details the need for increased vigilance for potential cyber activity against U.S. critical infrastructure by Iranian state-sponsored or affiliated threat actors.

Defense Industrial Base companies, particularly those possessing holdings or relationships with Israeli research and defense firms, are at increased risk. 

At this time, we have not seen indications of a coordinated campaign of malicious cyber activity in the U.S. that can be attributed to Iran. However, CISA urges owners and operators of critical infrastructure organizations and other potentially targeted entities to review this fact sheet to learn more about the Iranian state-backed cyber threat and actionable mitigations to harden cyber defenses. For an overview of the Iranian threat, refer to CISA’s Iran Threat Overview and Advisories and the FBI’s The Iran Threat webpages.

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