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.
CISA confirmed on Thursday that a high-severity privilege escalation flaw in the Linux kernel is now being exploited in ransomware attacks. [...]
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and National Security Agency (NSA), along with international partners from Australia and Canada, have released guidance to harden on-premise Microsoft Exchange Server instances from potential exploitation
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a high-severity security flaw impacting Broadcom VMware Tools and VMware Aria Operations to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation in the wild
US Cyber Defense Agency Releases Best Practices to Harden Exchange EnvironmentsU.S. cyber defense officials and their international partners issued a new blueprint for mitigating Microsoft Exchange vulnerabilities on Thursday as governments worldwide continue to grapple with persistent intrusion campaigns targeting on-premises Microsoft Exchange servers in hybrid environments.
CISA has ordered federal agencies to patch a high-severity vulnerability in Broadcom's VMware Aria Operations and VMware Tools software, exploited by Chinese hackers since October 2024. [...]
The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance to help IT administrators harden Microsoft Exchange servers on their networks against attacks. [...]
Agency Warns Vertikal Systems Vulnerabilities Could Help Hackers Access DataU.S. federal authorities are warning about vulnerabilities in hospital information management systems from Romanian firm Vertikal Systems that could allow hackers to obtain and disclose patient data. The affected systems are used mostly by smaller hospitals and clinics outside the United States.
Threat actors are actively exploiting multiple security flaws impacting Dassault Systèmes DELMIA Apriso and XWiki, according to alerts issued by the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and VulnCheck
CISA Says Hackers Actively Exploit Manufacturing Operations Management PlatformSoftware made by a French multinational that's used to manage manufacturing across the globe is under active attack, warned the Cybersecurity Infrastructure and Security Agency in the second such warning in two months. Hackers are exploiting two vulnerabilities in the Delmia Apriso platform.
The Cybersecurity & Infrastructure Security Agency (CISA) warned today that attackers are actively exploiting two vulnerabilities in Dassault Systèmes' DELMIA Apriso, a manufacturing operations management (MOM) and execution (MES) solution. [...]
Sysadmins are urged to patch WSUS vulnerability CVE-2025-59287 as soon as possible, with federal agencies required to update by November 14
The Cybersecurity and Infrastructure Security Agency (CISA) ordered U.S. government agencies to patch a critical-severity Windows Server Update Services (WSUS) vulnerability after adding it to its catalog of security flaws exploited in attacks. [...]
Jen Easterly says most breaches stem from bad software, and smarter tech could finally clean it up Ex-CISA head Jen Easterly claims AI could spell the end of the cybersecurity industry, as the sloppy software and vulnerabilities that criminals rely on will be tracked down faster than ever.…