CISA Cybersecurity Advisories

23 May 2025

• Threat Actors Deploy LummaC2 Malware to Exfiltrate Sensitive Data from Organizations

  Summary

  The Federal Bureau of Investigation (FBI) and the

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• Russian GRU Targeting Western Logistics Entities and Technology Companies

  Executive Summary

  This joint cybersecurity advisory (CSA) highlights

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• Fast Flux: A National Security Threat

  Executive summary

  Many networks have a gap in their defenses for

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