Stay informed on the latest CISA updates, guidelines, and alerts critical for robust information security and cyber threat prevention.
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Background for this topic.
Cybersecurity and Infrastructure Security Agency (CISA) is the U.S. Department of Homeland Security agency for reducing cyber and physical risks to critical infrastructure and federal civilian networks. Created by the 2018 CISA Act, it works with government and industry, publishes alerts and guidance, and coordinates assistance during significant incidents. Its direct federal-network role chiefly covers the Federal Civilian Executive Branch, including .gov; private-sector engagement is often voluntary or sector-specific.
Practitioners use CISA advisories and the Known Exploited Vulnerabilities catalog to prioritize patching where exploitation has been observed, and consult applicable directives and incident-response guidance. CISA supports vulnerability reporting and promotes controls such as multifactor authentication, logging, and tested recovery. A CISA alert is an actionable risk signal, not proof every organization is affected; teams should verify product, version, exposure, and obligations.
Joint US, UK and Five Eyes Guidance Flags OT Exposure as National RiskU.S. and allied cyber agencies issued new guidance warning that insecure operational technology connectivity - driven by remote access, third-party vendors and IT integration - remains a major threat vector, enabling cyber intrusions to escalate into physical disruptions.
Former NSC Cyber Adviser Renominated to Lead CISA Amid Ongoing Senate GridlockThe White House has renominated Sean Plankey to head CISA, reviving a stalled bid hindered by Senate holds and demands to release a report on telecom sector threats linked to China, as the agency continues to operate without a permanent director amid rising cyber risks.