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.
Analysis of 1 billion CISA KEV remediation records reveal a breaking point for human-scale security. Qualys shows most critical flaws are exploited before defenders can patch them. [...]
CISA has given U.S. government agencies four days to secure their systems against a critical-severity vulnerability in Ivanti Endpoint Manager Mobile (EPMM) that has been exploited in attacks since January. [...]
CISA has revealed Iranian attacks causing disruption and financial loss at US critical infrastructure firms
CISA: Iran-Linked Groups Actively Exploiting OT Exposure Risks, PLC ProgrammersFederal agencies are warning that Iranian-linked actors have begun actively exploiting internet-facing PLCs and misconfigured OT systems across U.S. critical infrastructure, enabling network access, lateral movement and potential disruption amid rising geopolitical tensions.
White House Criticizes Cyber Defense Agency - and Proposes a Steep $700 Million CutThe FY2027 proposal would cut roughly $707 million from CISA, reducing staffing, contractor support and coordination programs while shifting the agency toward a narrower focus on federal networks and critical infrastructure amid rising nation-state cyberthreats.
CISA added the flaw to KEV after Fortinet confirmed exploitation in the wild Fortinet released an emergency patch over the weekend for a critical FortiClient Enterprise Management Server (EMS) bug believed to be under attack since at least March 31.…
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered federal agencies to secure FortiClient Enterprise Management Server (EMS) instances against an actively exploited vulnerability by Friday. [...]