Attacks

Today, CISA released a Malware Analysis Report detailing the functionality of two sets of malware obtained from an organization compromised by cyber threat actors exploiting CVE-2025-4427 and CVE-2025-4428 in Ivanti Endpoint Manager Mobile (Ivanti EPMM).   The Malware Analysis Report, Malicious Listener for Ivanti EPMM Systems, provides guidance to help organizations detect and mitigate these threats, including indicators of compromise and YARA and SIGMA rules. Mitigations include highlighting the need to upgrade Ivanti EPMM systems to…

Read More

CISA, in collaboration with NSA and 19 international partners, released joint guidance outlining A Shared Vision of Software Bill of Materials (SBOM) for Cybersecurity. This marks a significant step forward in strengthening software supply chain transparency and security worldwide. An SBOM is a formal record detailing the components and supply chain relationships used in building software. SBOMs act as a software “ingredients list” providing organizations with essential visibility into software dependencies, enabling them to identify…

Read More

CISA, along with the National Security Agency, Federal Bureau of Investigation, and international partners, released a joint Cybersecurity Advisory on People’s Republic of China (PRC) state-sponsored Advanced Persistent Threat (APT) actors targeting critical infrastructure across sectors and continents to maintain persistent, long-term access to networks. This advisory builds on previous reporting and is based on real-world investigations conducted across multiple countries through July 2025. While the activity observed overlaps with industry reporting on the group known as Salt Typhoon,…

Read More

CISA released updated guidance for the Minimum Elements for a Software Bill of Materials (SBOM) for public comment—comment period begins today and concludes on October 3, 2025. These updates build on the 2021 version of the National Telecommunications and Information Administration SBOM Minimum Elements to reflect advancements in tooling and implementation.   An SBOM serves as a vital inventory of software components, enabling organizations to identify vulnerabilities, manage dependencies, and mitigate risks. The update refines data…

Read More

CISA released thirty-two Industrial Control Systems (ICS) advisories on August 14, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-226-01 Siemens SIMATIC RTLS Locating Manager ICSA-25-226-02 Siemens COMOS ICSA-25-226-03 Siemens Engineering Platforms ICSA-25-226-04 Siemens Simcenter Femap ICSA-25-226-05 Siemens Wibu CodeMeter Runtime ICSA-25-226-06 Siemens Opcenter Quality ICSA-25-226-07 Siemens Third-Party Components in SINEC OS ICSA-25-226-08 Siemens RUGGEDCOM CROSSBOW Station Access Controller ICSA-25-226-09 Siemens RUGGEDCOM APE1808 ICSA-25-226-10 Siemens SIPROTEC 5 ICSA-25-226-11 Siemens SIMATIC S7-PLCSIM ICSA-25-226-12 Siemens SIPROTEC 4 and SIPROTEC 4 Compact ICSA-25-226-13 Siemens…

Read More

CISA, along with the National Security Agency, the Federal Bureau of Investigation, Environmental Protection Agency, and several international partners, released comprehensive guidance to help operational technology (OT) owners and operators across all critical infrastructure sectors create and maintain OT asset inventories and supplemental taxonomies.  An asset inventory is a regularly updated, structured list of an organization’s systems, hardware, and software. It includes a categorization system—a taxonomy—that classifies assets based on their importance and function. This…

Read More

Today, CISA issued Emergency Directive (ED) 25-02: Mitigate Microsoft Exchange Vulnerability in response to CVE-2025-53786, a vulnerability in Microsoft Exchange server hybrid deployments.   ED 25-02 directs all Federal Civilian Executive Branch (FCEB) agencies with Microsoft Exchange hybrid environments to implement required mitigations by 9:00 AM EDT on Monday, August 11, 2025.  This vulnerability presents significant risk to all organizations operating Microsoft Exchange hybrid-joined configurations that have not yet implemented the April 2025 patch guidance.…

Read More

Note: This Alert may be updated to reflect new guidance issued by CISA or other parties.  CISA is aware of the newly disclosed high-severity vulnerability, CVE-2025-53786, that allows a cyber threat actor with administrative access to an on-premise Microsoft Exchange server to escalate privileges by exploiting vulnerable hybrid-joined configurations. This vulnerability, if not addressed, could impact the identity integrity of an organization’s Exchange Online service.  While Microsoft has stated there is no observed exploitation as of…

Read More

CISA published a Malware Analysis Report (MAR) with analysis and associated detection signatures on files related to Microsoft SharePoint vulnerabilities: CVE-2025-49704 [CWE-94: Code Injection], CVE-2025-49706 [CWE-287: Improper Authentication], CVE-2025-53770 [CWE-502: Deserialization of Untrusted Data], and CVE-2025-53771 [CWE-287: Improper Authentication] Cyber threat actors have chained CVE-2025-49704 and CVE-2025-49706 (in an exploit chain publicly known as “ToolShell”) to gain unauthorized access to on-premises SharePoint servers. CISA analyzed six files including two Dynamic Link-Library (.DLL), one cryptographic key…

Read More

Today, CISA, in partnership with Sandia National Laboratories, announced the public availability of Thorium, a scalable and distributed platform for automated file analysis and result aggregation. Thorium enhances cybersecurity teams’ capabilities by automating analysis workflows through seamless integration of commercial, open-source, and custom tools. It supports various mission functions, including software analysis, digital forensics, and incident response, allowing analysts to efficiently assess complex malware threats. Thorium enables teams that frequently analyze files to achieve scalable…

Read More