Category: alerts

CISA is aware of open-source reporting of targeted denial-of-service (DoS) and distributed denial-of-service (DDoS) attacks against multiple organizations in multiple sectors. These attacks can cost an organization time and money and may impose reputational costs while resources and services are inaccessible. If you think you or your business is experiencing a DoS or DDoS attack,… Read more

The Homeland Security Systems Engineering and Development Institute, sponsored by the Department of Homeland Security and operated by MITRE, has released the 2023 Common Weakness Enumeration (CWE) Top 25 Most Dangerous Software Weaknesses. The CWE Top 25 is calculated by analyzing public vulnerability data in the National Vulnerability Data (NVD) for root cause mappings to… Read more

Today, CISA, together with the National Security Agency (NSA), released a Cybersecurity Information Sheet (CSI) to provide recommendations and best practices for organizations to strengthen the security of their CI/CD pipelines against the threat of malicious cyber actors (MCAs). Recognizing the various types of security threats that could affect CI/CD operations and taking steps to… Read more

VMware has released a security update to address multiple memory corruption vulnerabilities in vCenter Server and Cloud Foundation. A cyber threat actor could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review VMware Security Advisory VMSA-2023-0014 and apply the necessary updates. Read more

CISA has released several documents as part of the Secure Cloud Business Applications (SCuBA) project: The Technical Reference Architecture (TRA) document, previously released for public comment on April 19, 2022, is the final version of a security guide that agencies can use to adopt technology for cloud deployment, adaptable solutions, secure architecture, and zero trust… Read more

The CISA Vulnerability Bulletin provides a summary of new vulnerabilities that have been recorded by the National Institute of Standards and Technology (NIST) National Vulnerability Database (NVD) in the past week. NVD is sponsored by CISA. In some cases, the vulnerabilities in the bulletin may not yet have assigned CVSS scores. Please visit NVD for updated vulnerability entries, which… Read more

  The CISA Vulnerability Bulletin provides a summary of new vulnerabilities that have been recorded by the National Institute of Standards and Technology (NIST) National Vulnerability Database (NVD) in the past week. NVD is sponsored by CISA. In some cases, the vulnerabilities in the bulletin may not yet have assigned CVSS scores. Please visit NVD for updated vulnerability entries,… Read more

The CISA Vulnerability Bulletin provides a summary of new vulnerabilities that have been recorded by the National Institute of Standards and Technology (NIST) National Vulnerability Database (NVD) in the past week. NVD is sponsored by CISA. In some cases, the vulnerabilities in the bulletin may not yet have assigned CVSS scores. Please visit NVD for updated vulnerability entries, which… Read more

Barracuda Networks has released an update to their advisory addressing a vulnerability—CVE-2023-2868—in their Email Security Gateway Appliance (ESG). According to Barracuda, customers should replace impacted appliances immediately.  CISA urges organizations to review the Barracuda advisory and for all impacted customers to follow the mitigation steps as well as hunt for the listed indicators of compromise… Read more