Latest Announcements

Stay informed with the latest cybersecurity advisories, reports, and updates from DC3 and our federal partners.

December 9, 2025

Pro-Russia Hacktivists Conduct Opportunistic Attacks Against US and Global Critical Infrastructure

Pro-Russia hacktivists are targeting critical infrastructure worldwide. This joint advisory—released as an addition to CISA’s May 6, 2025 fact sheet on mitigating operational technology (OT) cyber threats and EC3’s Operation Eastwood—shares updated information from CISA, FBI, NSA, DOE, EPA, and EC3 on incidents affecting operational technology (OT) and ICS environments.

View Advisory (PDF) →
November 19, 2025

Bulletproof Defense: Mitigating Bulletproof Hosting Risks

CISA's latest bulletin explains how bulletproof hosting services enable criminal activity and offers actionable defense and reporting recommendations.

View Bulletin (PDF) →

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Past Announcements and Advisories

  • Announcement

    #StopRansomware: Akira Ransomware Advisory

    A new joint cybersecurity advisory highlights Akira ransomware activity and provides mitigation guidance to reduce organizational risk.

    Read Advisory (PDF)
 
  • Announcement

    Countering Chinese State-Sponsored Actors Compromise of Networks Worldwide to Feed Global Espionage System

    CISA released advisory outlining how Chinese state-sponsored actors are exploiting unpatched network-edge devices to enable global espionage operations.

    Read Full Joint Fact Sheet (PDF)
 
  • Announcement

    DC3 Partners with CISA, FBI, and NSA to Publish Joint Fact Sheet on Potential Iranian Cyber Activity

    Joint guidance highlights TTPs and recommended mitigations related to potential Iranian state-linked activity targeting U.S. networks and allied infrastructure.

    Read More

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